Det er 394 eksakte anagrammer av SYKEHISTORIEN på 4 bokstaver. Sortert etter høyeste poeng først.
# | Anagram | Definisjon Def. | Poeng | Bokstavpoeng | NSF | |
---|---|---|---|---|---|---|
1 | HYEN | 11p. | H3Y6E1N1 | |||
2 | HYER | 11p. | H3Y6E1R1 | |||
3 | HYES | 11p. | H3Y6E1S1 | |||
4 | HYET | 11p. | H3Y6E1T1 | |||
5 | HYRE | 11p. | H3Y6R1E1 | |||
6 | HYRT | 11p. | H3Y6R1T1 | |||
7 | HYSE | 11p. | H3Y6S1E1 | |||
8 | HYSS | 11p. | H3Y6S1S1 | |||
9 | EKRY | 10p. | E1K2R1Y6 | |||
10 | KNYR | 10p. | K2N1Y6R1 | |||
11 | KNYS | 10p. | K2N1Y6S1 | |||
12 | KNYT | 10p. | K2N1Y6T1 | |||
13 | KRYE | 10p. | K2R1Y6E1 | |||
14 | KRYN | 10p. | K2R1Y6N1 | |||
15 | KRYS | 10p. | K2R1Y6S1 | |||
16 | KYRT | 10p. | K2Y6R1T1 | |||
17 | KYSE | 10p. | K2Y6S1E1 | |||
18 | KYSS | 10p. | K2Y6S1S1 | |||
19 | KYST | 10p. | K2Y6S1T1 | |||
20 | KYTE | 10p. | K2Y6T1E1 | |||
21 | NYKT | 10p. | N1Y6K2T1 | |||
22 | RYKE | 10p. | R1Y6K2E1 | |||
23 | RYKT | 10p. | R1Y6K2T1 | |||
24 | RYNK | 10p. | R1Y6N1K2 | |||
25 | SKYE | 10p. | S1K2Y6E1 | |||
26 | SKYR | 10p. | S1K2Y6R1 | |||
27 | SKYS | 10p. | S1K2Y6S1 | |||
28 | SKYT | 10p. | S1K2Y6T1 | |||
29 | SYKE | 10p. | S1Y6K2E1 | |||
30 | SYKN | 10p. | S1Y6K2N1 | |||
31 | SYKT | 10p. | S1Y6K2T1 | |||
32 | SYNK | 10p. | S1Y6N1K2 | |||
33 | TORY | 10p. | T1O2R1Y6 | |||
34 | TYKN | 10p. | T1Y6K2N1 | |||
35 | TYRK | 10p. | T1Y6R1K2 | |||
36 | TYSK | 10p. | T1Y6S1K2 | |||
37 | YNKE | 10p. | Y6N1K2E1 | |||
38 | YRKE | 10p. | Y6R1K2E1 | |||
39 | ETYN | 9p. | E1T1Y6N1 | |||
40 | ISYR | 9p. | I1S1Y6R1 | |||
41 | ISYS | 9p. | I1S1Y6S1 | |||
42 | NISY | 9p. | N1I1S1Y6 | |||
43 | NYER | 9p. | N1Y6E1R1 | |||
44 | NYES | 9p. | N1Y6E1S1 | |||
45 | NYET | 9p. | N1Y6E1T1 | |||
46 | NYIS | 9p. | N1Y6I1S1 | |||
47 | NYRE | 9p. | N1Y6R1E1 | |||
48 | NYSE | 9p. | N1Y6S1E1 | |||
49 | NYSS | 9p. | N1Y6S1S1 | |||
50 | NYST | 9p. | N1Y6S1T1 | |||
51 | NYTE | 9p. | N1Y6T1E1 | |||
52 | RYEN | 9p. | R1Y6E1N1 | |||
53 | RYET | 9p. | R1Y6E1T1 | |||
54 | RYSS | 9p. | R1Y6S1S1 | |||
55 | RYST | 9p. | R1Y6S1T1 | |||
56 | RYTE | 9p. | R1Y6T1E1 | |||
57 | SNYT | 9p. | S1N1Y6T1 | |||
58 | STRY | 9p. | S1T1R1Y6 | |||
59 | STYR | 9p. | S1T1Y6R1 | |||
60 | SYER | 9p. | S1Y6E1R1 | |||
61 | SYES | 9p. | S1Y6E1S1 | |||
62 | SYNE | 9p. | S1Y6N1E1 | |||
63 | SYNS | 9p. | S1Y6N1S1 | |||
64 | SYNT | 9p. | S1Y6N1T1 | |||
65 | SYRE | 9p. | S1Y6R1E1 | |||
66 | SYRN | 9p. | S1Y6R1N1 | |||
67 | SYRT | 9p. | S1Y6R1T1 | |||
68 | SYTE | 9p. | S1Y6T1E1 | |||
69 | TRYN | 9p. | T1R1Y6N1 | |||
70 | TYEN | 9p. | T1Y6E1N1 | |||
71 | TYER | 9p. | T1Y6E1R1 | |||
72 | TYES | 9p. | T1Y6E1S1 | |||
73 | TYNE | 9p. | T1Y6N1E1 | |||
74 | TYRI | 9p. | T1Y6R1I1 | |||
75 | TYSS | 9p. | T1Y6S1S1 | |||
76 | YETI | 9p. | Y6E1T1I1 | |||
77 | YIEN | 9p. | Y6I1E1N1 | |||
78 | YIER | 9p. | Y6I1E1R1 | |||
79 | YREN | 9p. | Y6R1E1N1 | |||
80 | YRES | 9p. | Y6R1E1S1 | |||
81 | YRET | 9p. | Y6R1E1T1 | |||
82 | YRNE | 9p. | Y6R1N1E1 | |||
83 | YRTE | 9p. | Y6R1T1E1 | |||
84 | YSTE | 9p. | Y6S1T1E1 | |||
85 | YTEN | 9p. | Y6T1E1N1 | |||
86 | YTER | 9p. | Y6T1E1R1 | |||
87 | YTES | 9p. | Y6T1E1S1 | |||
88 | YTRE | 9p. | Y6T1R1E1 | |||
89 | HOKI | 8p. | H3O2K2I1 | |||
90 | HONK | 8p. | H3O2N1K2 | |||
91 | HORK | 8p. | H3O2R1K2 | |||
92 | HEKS | 7p. | H3E1K2S1 | |||
93 | HEKT | 7p. | H3E1K2T1 | |||
94 | HERK | 7p. | H3E1R1K2 | |||
95 | HERO | 7p. | H3E1R1O2 | |||
96 | HIKE | 7p. | H3I1K2E1 | |||
97 | HINK | 7p. | H3I1N1K2 | |||
98 | HOER | 7p. | H3O2E1R1 | |||
99 | HOES | 7p. | H3O2E1S1 | |||
100 | HOET | 7p. | H3O2E1T1 | |||
101 | HOIE | 7p. | H3O2I1E1 | |||
102 | HONE | 7p. | H3O2N1E1 | |||
103 | HORE | 7p. | H3O2R1E1 | |||
104 | HORN | 7p. | H3O2R1N1 | |||
105 | HORS | 7p. | H3O2R1S1 | |||
106 | HORT | 7p. | H3O2R1T1 | |||
107 | HOSE | 7p. | H3O2S1E1 | |||
108 | HOST | 7p. | H3O2S1T1 | |||
109 | HOTE | 7p. | H3O2T1E1 | |||
110 | SHOT | 7p. | S1H3O2T1 | |||
111 | SIKH | 7p. | S1I1K2H3 | |||
112 | HEIE | 6p. | H3E1I1E1 | |||
113 | HEIN | 6p. | H3E1I1N1 | |||
114 | HEIS | 6p. | H3E1I1S1 | |||
115 | HEIT | 6p. | H3E1I1T1 | |||
116 | HENS | 6p. | H3E1N1S1 | |||
117 | HENT | 6p. | H3E1N1T1 | |||
118 | HERI | 6p. | H3E1R1I1 | |||
119 | HERS | 6p. | H3E1R1S1 | |||
120 | HESE | 6p. | H3E1S1E1 | |||
121 | HESS | 6p. | H3E1S1S1 | |||
122 | HEST | 6p. | H3E1S1T1 | |||
123 | HETE | 6p. | H3E1T1E1 | |||
124 | HETN | 6p. | H3E1T1N1 | |||
125 | HETS | 6p. | H3E1T1S1 | |||
126 | HIER | 6p. | H3I1E1R1 | |||
127 | HIES | 6p. | H3I1E1S1 | |||
128 | HIET | 6p. | H3I1E1T1 | |||
129 | HINE | 6p. | H3I1N1E1 | |||
130 | HINT | 6p. | H3I1N1T1 | |||
131 | HIRE | 6p. | H3I1R1E1 | |||
132 | HIRT | 6p. | H3I1R1T1 | |||
133 | HISS | 6p. | H3I1S1S1 | |||
134 | HIST | 6p. | H3I1S1T1 | |||
135 | IKON | 6p. | I1K2O2N1 | |||
136 | KENO | 6p. | K2E1N1O2 | |||
137 | KINO | 6p. | K2I1N1O2 | |||
138 | KNOT | 6p. | K2N1O2T1 | |||
139 | KOIE | 6p. | K2O2I1E1 | |||
140 | KONE | 6p. | K2O2N1E1 | |||
141 | KONS | 6p. | K2O2N1S1 | |||
142 | KONT | 6p. | K2O2N1T1 | |||
143 | KORE | 6p. | K2O2R1E1 | |||
144 | KORN | 6p. | K2O2R1N1 | |||
145 | KORS | 6p. | K2O2R1S1 | |||
146 | KORT | 6p. | K2O2R1T1 | |||
147 | KOSE | 6p. | K2O2S1E1 | |||
148 | KOSS | 6p. | K2O2S1S1 | |||
149 | KOST | 6p. | K2O2S1T1 | |||
150 | KOTE | 6p. | K2O2T1E1 | |||
151 | KRON | 6p. | K2R1O2N1 | |||
152 | KROS | 6p. | K2R1O2S1 | |||
153 | KROT | 6p. | K2R1O2T1 | |||
154 | OKER | 6p. | O2K2E1R1 | |||
155 | OKRE | 6p. | O2K2R1E1 | |||
156 | OKSE | 6p. | O2K2S1E1 | |||
157 | ORKE | 6p. | O2R1K2E1 | |||
158 | ROKS | 6p. | R1O2K2S1 | |||
159 | SHIT | 6p. | S1H3I1T1 | |||
160 | SKOR | 6p. | S1K2O2R1 | |||
161 | SKOS | 6p. | S1K2O2S1 | |||
162 | SNOK | 6p. | S1N1O2K2 | |||
163 | SOKN | 6p. | S1O2K2N1 | |||
164 | TEKO | 6p. | T1E1K2O2 | |||
165 | TOKE | 6p. | T1O2K2E1 | |||
166 | TOKN | 6p. | T1O2K2N1 | |||
167 | TOKS | 6p. | T1O2K2S1 | |||
168 | TOSK | 6p. | T1O2S1K2 | |||
169 | EIKE | 5p. | E1I1K2E1 | |||
170 | EKRE | 5p. | E1K2R1E1 | |||
171 | EKSE | 5p. | E1K2S1E1 | |||
172 | EKTE | 5p. | E1K2T1E1 | |||
173 | ENKE | 5p. | E1N1K2E1 | |||
174 | ERKN | 5p. | E1R1K2N1 | |||
175 | EROS | 5p. | E1R1O2S1 | |||
176 | EROT | 5p. | E1R1O2T1 | |||
177 | ESKE | 5p. | E1S1K2E1 | |||
178 | ETOS | 5p. | E1T1O2S1 | |||
179 | IKTE | 5p. | I1K2T1E1 | |||
180 | INRO | 5p. | I1N1R1O2 | |||
181 | IRON | 5p. | I1R1O2N1 | |||
182 | IRSK | 5p. | I1R1S1K2 | |||
183 | KEEN | 5p. | K2E1E1N1 | |||
184 | KEIE | 5p. | K2E1I1E1 | |||
185 | KEIS | 5p. | K2E1I1S1 | |||
186 | KEIT | 5p. | K2E1I1T1 | |||
187 | KISE | 5p. | K2I1S1E1 | |||
188 | KISS | 5p. | K2I1S1S1 | |||
189 | KIST | 5p. | K2I1S1T1 | |||
190 | KITE | 5p. | K2I1T1E1 | |||
191 | KITS | 5p. | K2I1T1S1 | |||
192 | KNEE | 5p. | K2N1E1E1 | |||
193 | KNES | 5p. | K2N1E1S1 | |||
194 | KNIS | 5p. | K2N1I1S1 | |||
195 | KREE | 5p. | K2R1E1E1 | |||
196 | KRES | 5p. | K2R1E1S1 | |||
197 | KRIN | 5p. | K2R1I1N1 | |||
198 | KRIS | 5p. | K2R1I1S1 | |||
199 | KRIT | 5p. | K2R1I1T1 | |||
200 | NEKT | 5p. | N1E1K2T1 | |||
201 | NERK | 5p. | N1E1R1K2 | |||
202 | NIKS | 5p. | N1I1K2S1 | |||
203 | NORI | 5p. | N1O2R1I1 | |||
204 | NORS | 5p. | N1O2R1S1 | |||
205 | NOSE | 5p. | N1O2S1E1 | |||
206 | NOSS | 5p. | N1O2S1S1 | |||
207 | NOST | 5p. | N1O2S1T1 | |||
208 | NOTE | 5p. | N1O2T1E1 | |||
209 | OIER | 5p. | O2I1E1R1 | |||
210 | OIES | 5p. | O2I1E1S1 | |||
211 | OIET | 5p. | O2I1E1T1 | |||
212 | OREN | 5p. | O2R1E1N1 | |||
213 | OSEN | 5p. | O2S1E1N1 | |||
214 | OSER | 5p. | O2S1E1R1 | |||
215 | OSES | 5p. | O2S1E1S1 | |||
216 | OSET | 5p. | O2S1E1T1 | |||
217 | OSTE | 5p. | O2S1T1E1 | |||
218 | OTER | 5p. | O2T1E1R1 | |||
219 | OTRE | 5p. | O2T1R1E1 | |||
220 | REIK | 5p. | R1E1I1K2 | |||
221 | REKE | 5p. | R1E1K2E1 | |||
222 | REKT | 5p. | R1E1K2T1 | |||
223 | RIKE | 5p. | R1I1K2E1 | |||
224 | RIKN | 5p. | R1I1K2N1 | |||
225 | RIKS | 5p. | R1I1K2S1 | |||
226 | RIKT | 5p. | R1I1K2T1 | |||
227 | RINK | 5p. | R1I1N1K2 | |||
228 | RISK | 5p. | R1I1S1K2 | |||
229 | ROEN | 5p. | R1O2E1N1 | |||
230 | ROES | 5p. | R1O2E1S1 | |||
231 | ROET | 5p. | R1O2E1T1 | |||
232 | ROSE | 5p. | R1O2S1E1 | |||
233 | ROSS | 5p. | R1O2S1S1 | |||
234 | ROST | 5p. | R1O2S1T1 | |||
235 | ROTE | 5p. | R1O2T1E1 | |||
236 | ROTI | 5p. | R1O2T1I1 | |||
237 | ROTS | 5p. | R1O2T1S1 | |||
238 | SEKS | 5p. | S1E1K2S1 | |||
239 | SEKT | 5p. | S1E1K2T1 | |||
240 | SENK | 5p. | S1E1N1K2 | |||
241 | SERK | 5p. | S1E1R1K2 | |||
242 | SIKE | 5p. | S1I1K2E1 | |||
243 | SIKR | 5p. | S1I1K2R1 | |||
244 | SIKS | 5p. | S1I1K2S1 | |||
245 | SIKT | 5p. | S1I1K2T1 | |||
246 | SINK | 5p. | S1I1N1K2 | |||
247 | SKEI | 5p. | S1K2E1I1 | |||
248 | SKIE | 5p. | S1K2I1E1 | |||
249 | SKIR | 5p. | S1K2I1R1 | |||
250 | SKIS | 5p. | S1K2I1S1 | |||
251 | SKIT | 5p. | S1K2I1T1 | |||
252 | SKRE | 5p. | S1K2R1E1 | |||
253 | SKRI | 5p. | S1K2R1I1 | |||
254 | SNEK | 5p. | S1N1E1K2 | |||
255 | SNIK | 5p. | S1N1I1K2 | |||
256 | SNOR | 5p. | S1N1O2R1 | |||
257 | SNOS | 5p. | S1N1O2S1 | |||
258 | SOEN | 5p. | S1O2E1N1 | |||
259 | SOER | 5p. | S1O2E1R1 | |||
260 | SONE | 5p. | S1O2N1E1 | |||
261 | SONT | 5p. | S1O2N1T1 | |||
262 | SORT | 5p. | S1O2R1T1 | |||
263 | SOSE | 5p. | S1O2S1E1 | |||
264 | SOST | 5p. | S1O2S1T1 | |||
265 | SOTE | 5p. | S1O2T1E1 | |||
266 | STEK | 5p. | S1T1E1K2 | |||
267 | STOR | 5p. | S1T1O2R1 | |||
268 | STOS | 5p. | S1T1O2S1 | |||
269 | TENK | 5p. | T1E1N1K2 | |||
270 | TIKS | 5p. | T1I1K2S1 | |||
271 | TIRO | 5p. | T1I1R1O2 | |||
272 | TISK | 5p. | T1I1S1K2 | |||
273 | TOEN | 5p. | T1O2E1N1 | |||
274 | TOER | 5p. | T1O2E1R1 | |||
275 | TOES | 5p. | T1O2E1S1 | |||
276 | TONE | 5p. | T1O2N1E1 | |||
277 | TORE | 5p. | T1O2R1E1 | |||
278 | TORN | 5p. | T1O2R1N1 | |||
279 | TRIO | 5p. | T1R1I1O2 | |||
280 | TROE | 5p. | T1R1O2E1 | |||
281 | TRON | 5p. | T1R1O2N1 | |||
282 | TROS | 5p. | T1R1O2S1 | |||
283 | EIER | 4p. | E1I1E1R1 | |||
284 | EIES | 4p. | E1I1E1S1 | |||
285 | EIET | 4p. | E1I1E1T1 | |||
286 | EIRE | 4p. | E1I1R1E1 | |||
287 | EISE | 4p. | E1I1S1E1 | |||
288 | EISS | 4p. | E1I1S1S1 | |||
289 | EITR | 4p. | E1I1T1R1 | |||
290 | ENER | 4p. | E1N1E1R1 | |||
291 | ENES | 4p. | E1N1E1S1 | |||
292 | ENSE | 4p. | E1N1S1E1 | |||
293 | ENST | 4p. | E1N1S1T1 | |||
294 | ENTE | 4p. | E1N1T1E1 | |||
295 | ENTR | 4p. | E1N1T1R1 | |||
296 | ERTE | 4p. | E1R1T1E1 | |||
297 | ERTS | 4p. | E1R1T1S1 | |||
298 | ESER | 4p. | E1S1E1R1 | |||
299 | ESES | 4p. | E1S1E1S1 | |||
300 | ESSE | 4p. | E1S1S1E1 | |||
301 | ESTE | 4p. | E1S1T1E1 | |||
302 | ETEN | 4p. | E1T1E1N1 | |||
303 | ETER | 4p. | E1T1E1R1 | |||
304 | ETES | 4p. | E1T1E1S1 | |||
305 | ETSE | 4p. | E1T1S1E1 | |||
306 | IREN | 4p. | I1R1E1N1 | |||
307 | IRES | 4p. | I1R1E1S1 | |||
308 | IRIS | 4p. | I1R1I1S1 | |||
309 | IRTE | 4p. | I1R1T1E1 | |||
310 | ISEN | 4p. | I1S1E1N1 | |||
311 | ISER | 4p. | I1S1E1R1 | |||
312 | ISES | 4p. | I1S1E1S1 | |||
313 | ISET | 4p. | I1S1E1T1 | |||
314 | ISNE | 4p. | I1S1N1E1 | |||
315 | ISSE | 4p. | I1S1S1E1 | |||
316 | ISTE | 4p. | I1S1T1E1 | |||
317 | NEER | 4p. | N1E1E1R1 | |||
318 | NEET | 4p. | N1E1E1T1 | |||
319 | NEIE | 4p. | N1E1I1E1 | |||
320 | NEIS | 4p. | N1E1I1S1 | |||
321 | NEIT | 4p. | N1E1I1T1 | |||
322 | NESE | 4p. | N1E1S1E1 | |||
323 | NEST | 4p. | N1E1S1T1 | |||
324 | NIER | 4p. | N1I1E1R1 | |||
325 | NISE | 4p. | N1I1S1E1 | |||
326 | NISS | 4p. | N1I1S1S1 | |||
327 | NIST | 4p. | N1I1S1T1 | |||
328 | NITE | 4p. | N1I1T1E1 | |||
329 | REEN | 4p. | R1E1E1N1 | |||
330 | REIE | 4p. | R1E1I1E1 | |||
331 | REIN | 4p. | R1E1I1N1 | |||
332 | REIS | 4p. | R1E1I1S1 | |||
333 | REIT | 4p. | R1E1I1T1 | |||
334 | RENE | 4p. | R1E1N1E1 | |||
335 | RENS | 4p. | R1E1N1S1 | |||
336 | RENT | 4p. | R1E1N1T1 | |||
337 | REST | 4p. | R1E1S1T1 | |||
338 | RETE | 4p. | R1E1T1E1 | |||
339 | RETN | 4p. | R1E1T1N1 | |||
340 | RIEN | 4p. | R1I1E1N1 | |||
341 | RIET | 4p. | R1I1E1T1 | |||
342 | RINE | 4p. | R1I1N1E1 | |||
343 | RINT | 4p. | R1I1N1T1 | |||
344 | RISE | 4p. | R1I1S1E1 | |||
345 | RISS | 4p. | R1I1S1S1 | |||
346 | RIST | 4p. | R1I1S1T1 | |||
347 | RITE | 4p. | R1I1T1E1 | |||
348 | SEER | 4p. | S1E1E1R1 | |||
349 | SEES | 4p. | S1E1E1S1 | |||
350 | SEIN | 4p. | S1E1I1N1 | |||
351 | SEIR | 4p. | S1E1I1R1 | |||
352 | SEIS | 4p. | S1E1I1S1 | |||
353 | SENE | 4p. | S1E1N1E1 | |||
354 | SENS | 4p. | S1E1N1S1 | |||
355 | SENT | 4p. | S1E1N1T1 | |||
356 | SETE | 4p. | S1E1T1E1 | |||
357 | SETR | 4p. | S1E1T1R1 | |||
358 | SIEN | 4p. | S1I1E1N1 | |||
359 | SIER | 4p. | S1I1E1R1 | |||
360 | SIES | 4p. | S1I1E1S1 | |||
361 | SIET | 4p. | S1I1E1T1 | |||
362 | SINE | 4p. | S1I1N1E1 | |||
363 | SINT | 4p. | S1I1N1T1 | |||
364 | SIRE | 4p. | S1I1R1E1 | |||
365 | SIRS | 4p. | S1I1R1S1 | |||
366 | SIRT | 4p. | S1I1R1T1 | |||
367 | SIST | 4p. | S1I1S1T1 | |||
368 | SITR | 4p. | S1I1T1R1 | |||
369 | SITS | 4p. | S1I1T1S1 | |||
370 | SNEI | 4p. | S1N1E1I1 | |||
371 | SNES | 4p. | S1N1E1S1 | |||
372 | STEN | 4p. | S1T1E1N1 | |||
373 | STER | 4p. | S1T1E1R1 | |||
374 | STES | 4p. | S1T1E1S1 | |||
375 | STIE | 4p. | S1T1I1E1 | |||
376 | STRI | 4p. | S1T1R1I1 | |||
377 | TEEN | 4p. | T1E1E1N1 | |||
378 | TEER | 4p. | T1E1E1R1 | |||
379 | TEES | 4p. | T1E1E1S1 | |||
380 | TEIE | 4p. | T1E1I1E1 | |||
381 | TEIN | 4p. | T1E1I1N1 | |||
382 | TENE | 4p. | T1E1N1E1 | |||
383 | TERS | 4p. | T1E1R1S1 | |||
384 | TESE | 4p. | T1E1S1E1 | |||
385 | TESS | 4p. | T1E1S1S1 | |||
386 | TIEN | 4p. | T1I1E1N1 | |||
387 | TIER | 4p. | T1I1E1R1 | |||
388 | TIES | 4p. | T1I1E1S1 | |||
389 | TINE | 4p. | T1I1N1E1 | |||
390 | TIRE | 4p. | T1I1R1E1 | |||
391 | TISS | 4p. | T1I1S1S1 | |||
392 | TREN | 4p. | T1R1E1N1 | |||
393 | TRES | 4p. | T1R1E1S1 | |||
394 | TRIN | 4p. | T1R1I1N1 |
14p. AIRBAGGER