coater ocater caoter acoter oacter aocter cotaer octaer ctoaer tcoaer otcaer tocaer catoer actoer ctaoer tcaoer atcoer tacoer oatcer aotcer otacer toacer atocer taocer coaetr ocaetr caoetr acoetr oacetr aocetr coeatr oceatr ceoatr ecoatr oecatr eocatr caeotr aceotr ceaotr ecaotr aecotr eacotr oaectr aoectr oeactr eoactr aeoctr eaoctr cotear octear ctoear tcoear otcear tocear coetar ocetar ceotar ecotar oectar eoctar cteoar tceoar cetoar ectoar tecoar etcoar otecar toecar oetcar eotcar teocar etocar cateor acteor ctaeor tcaeor atceor taceor caetor acetor ceator ecator aector eactor cteaor tceaor cetaor ectaor tecaor etcaor atecor taecor aetcor eatcor teacor etacor oatecr aotecr otaecr toaecr atoecr taoecr oaetcr aoetcr oeatcr eoatcr aeotcr eaotcr oteacr toeacr oetacr eotacr teoacr etoacr ateocr taeocr aetocr eatocr teaocr etaocr coatre ocatre caotre acotre oactre aoctre cotare octare ctoare tcoare otcare tocare catore actore ctaore tcaore atcore tacore oatcre aotcre otacre toacre atocre taocre coarte ocarte caorte acorte oacrte aocrte corate ocrate croate rcoate orcate rocate carote acrote craote rcaote arcote racote oarcte aorcte oracte roacte arocte raocte cotrae octrae ctorae tcorae otcrae tocrae cortae ocrtae crotae rcotae orctae roctae ctroae tcroae crtoae rctoae trcoae rtcoae otrcae torcae ortcae rotcae trocae rtocae catroe actroe ctaroe tcaroe atcroe tacroe cartoe acrtoe cratoe rcatoe arctoe ractoe ctraoe tcraoe crtaoe rctaoe trcaoe rtcaoe atrcoe tarcoe artcoe ratcoe tracoe rtacoe oatrce aotrce otarce toarce atorce taorce oartce aortce oratce roatce arotce raotce otrace torace ortace rotace troace rtoace atroce taroce artoce ratoce traoce rtaoce coaert ocaert caoert acoert oacert aocert coeart oceart ceoart ecoart oecart eocart caeort aceort ceaort ecaort aecort eacort oaecrt aoecrt oeacrt eoacrt aeocrt eaocrt coaret ocaret caoret acoret oacret aocret coraet ocraet croaet rcoaet orcaet rocaet caroet acroet craoet rcaoet arcoet racoet oarcet aorcet oracet roacet arocet raocet coerat ocerat ceorat ecorat oecrat eocrat coreat ocreat croeat rcoeat orceat roceat ceroat ecroat creoat rceoat ercoat recoat oercat eorcat orecat roecat erocat reocat caerot acerot cearot ecarot aecrot eacrot careot acreot craeot rcaeot arceot raceot ceraot ecraot creaot rceaot ercaot recaot aercot earcot arecot raecot eracot reacot oaerct aoerct oearct eoarct aeorct eaorct oarect aorect oraect roaect aroect raoect oeract eoract oreact roeact eroact reoact aeroct earoct areoct raeoct eraoct reaoct cotera octera ctoera tcoera otcera tocera coetra ocetra ceotra ecotra oectra eoctra cteora tceora cetora ectora tecora etcora otecra toecra oetcra eotcra teocra etocra cotrea octrea ctorea tcorea otcrea tocrea cortea ocrtea crotea rcotea orctea roctea ctroea tcroea crtoea rctoea trcoea rtcoea otrcea torcea ortcea rotcea trocea rtocea coerta ocerta ceorta ecorta oecrta eocrta coreta ocreta croeta rcoeta orceta roceta cerota ecrota creota rceota ercota recota oercta eorcta orecta roecta erocta reocta cteroa tceroa cetroa ectroa tecroa etcroa ctreoa tcreoa crteoa rcteoa trceoa rtceoa certoa ecrtoa cretoa rcetoa erctoa rectoa tercoa etrcoa trecoa rtecoa ertcoa retcoa oterca toerca oetrca eotrca teorca etorca otreca toreca orteca roteca troeca rtoeca oertca eortca oretca roetca erotca reotca teroca etroca treoca rteoca ertoca retoca catero actero ctaero tcaero atcero tacero caetro acetro ceatro ecatro aectro eactro ctearo tcearo cetaro ectaro tecaro etcaro atecro taecro aetcro eatcro teacro etacro catreo actreo ctareo tcareo atcreo tacreo carteo acrteo crateo rcateo arcteo racteo ctraeo tcraeo crtaeo rctaeo trcaeo rtcaeo atrceo tarceo artceo ratceo traceo rtaceo caerto acerto cearto ecarto aecrto eacrto careto acreto craeto rcaeto arceto raceto cerato ecrato creato rceato ercato recato aercto earcto arecto raecto eracto reacto cterao tcerao cetrao ectrao tecrao etcrao ctreao tcreao crteao rcteao trceao rtceao certao ecrtao cretao rcetao erctao rectao tercao etrcao trecao rtecao ertcao retcao aterco taerco aetrco eatrco tearco etarco atreco tareco arteco rateco traeco rtaeco aertco eartco aretco raetco eratco reatco teraco etraco treaco rteaco ertaco retaco oaterc aoterc otaerc toaerc atoerc taoerc oaetrc aoetrc oeatrc eoatrc aeotrc eaotrc otearc toearc oetarc eotarc teoarc etoarc ateorc taeorc aetorc eatorc teaorc etaorc oatrec aotrec otarec toarec atorec taorec oartec aortec oratec roatec arotec raotec otraec toraec ortaec rotaec troaec rtoaec atroec taroec artoec ratoec traoec rtaoec oaertc aoertc oeartc eoartc aeortc eaortc oaretc aoretc oraetc roaetc aroetc raoetc oeratc eoratc oreatc roeatc eroatc reoatc aerotc earotc areotc raeotc eraotc reaotc oterac toerac oetrac eotrac teorac etorac otreac toreac orteac roteac troeac rtoeac oertac eortac oretac roetac erotac reotac teroac etroac treoac rteoac ertoac retoac ateroc taeroc aetroc eatroc tearoc etaroc atreoc tareoc arteoc rateoc traeoc rtaeoc aertoc eartoc aretoc raetoc eratoc reatoc teraoc etraoc treaoc rteaoc ertaoc retaoc
Note: these 'words' (valid or invalid) are all the permutations of the word coater. These words are obtained by scrambling the letters in coater.