rewash erwash rweash wreash ewrash werash reawsh erawsh raewsh arewsh earwsh aerwsh rwaesh wraesh rawesh arwesh waresh awresh ewarsh wearsh eawrsh aewrsh waersh awersh rewsah erwsah rwesah wresah ewrsah wersah reswah erswah rsewah srewah esrwah serwah rwseah wrseah rsweah srweah wsreah swreah ewsrah wesrah eswrah sewrah wserah swerah reaswh eraswh raeswh areswh earswh aerswh resawh ersawh rseawh sreawh esrawh serawh rasewh arsewh rsaewh sraewh asrewh sarewh easrwh aesrwh esarwh searwh aserwh saerwh rwaseh wraseh rawseh arwseh warseh awrseh rwsaeh wrsaeh rswaeh srwaeh wsraeh swraeh rasweh arsweh rsaweh sraweh asrweh sarweh wasreh awsreh wsareh swareh aswreh sawreh ewasrh weasrh eawsrh aewsrh waesrh awesrh ewsarh wesarh eswarh sewarh wsearh swearh easwrh aeswrh esawrh seawrh asewrh saewrh waserh awserh wsaerh swaerh aswerh sawerh rewahs erwahs rweahs wreahs ewrahs werahs reawhs erawhs raewhs arewhs earwhs aerwhs rwaehs wraehs rawehs arwehs warehs awrehs ewarhs wearhs eawrhs aewrhs waerhs awerhs rewhas erwhas rwehas wrehas ewrhas werhas rehwas erhwas rhewas hrewas ehrwas herwas rwheas wrheas rhweas hrweas whreas hwreas ewhras wehras ehwras hewras wheras hweras reahws erahws raehws arehws earhws aerhws rehaws erhaws rheaws hreaws ehraws heraws rahews arhews rhaews hraews ahrews harews eahrws aehrws eharws hearws aherws haerws rwahes wrahes rawhes arwhes warhes awrhes rwhaes wrhaes rhwaes hrwaes whraes hwraes rahwes arhwes rhawes hrawes ahrwes harwes wahres awhres whares hwares ahwres hawres ewahrs weahrs eawhrs aewhrs waehrs awehrs ewhars wehars ehwars hewars whears hwears eahwrs aehwrs ehawrs heawrs ahewrs haewrs wahers awhers whaers hwaers ahwers hawers rewsha erwsha rwesha wresha ewrsha wersha reswha erswha rsewha srewha esrwha serwha rwseha wrseha rsweha srweha wsreha swreha ewsrha wesrha eswrha sewrha wserha swerha rewhsa erwhsa rwehsa wrehsa ewrhsa werhsa rehwsa erhwsa rhewsa hrewsa ehrwsa herwsa rwhesa wrhesa rhwesa hrwesa whresa hwresa ewhrsa wehrsa ehwrsa hewrsa whersa hwersa reshwa ershwa rsehwa srehwa esrhwa serhwa rehswa erhswa rheswa hreswa ehrswa herswa rshewa srhewa rhsewa hrsewa shrewa hsrewa eshrwa sehrwa ehsrwa hesrwa sherwa hserwa rwshea wrshea rswhea srwhea wsrhea swrhea rwhsea wrhsea rhwsea hrwsea whrsea hwrsea rshwea srhwea rhswea hrswea shrwea hsrwea wshrea swhrea whsrea hwsrea shwrea hswrea ewshra weshra eswhra sewhra wsehra swehra ewhsra wehsra ehwsra hewsra whesra hwesra eshwra sehwra ehswra heswra shewra hsewra wshera swhera whsera hwsera shwera hswera reashw erashw raeshw areshw earshw aershw resahw ersahw rseahw sreahw esrahw serahw rasehw arsehw rsaehw sraehw asrehw sarehw easrhw aesrhw esarhw searhw aserhw saerhw reahsw erahsw raehsw arehsw earhsw aerhsw rehasw erhasw rheasw hreasw ehrasw herasw rahesw arhesw rhaesw hraesw ahresw haresw eahrsw aehrsw eharsw hearsw ahersw haersw reshaw ershaw rsehaw srehaw esrhaw serhaw rehsaw erhsaw rhesaw hresaw ehrsaw hersaw rsheaw srheaw rhseaw hrseaw shreaw hsreaw eshraw sehraw ehsraw hesraw sheraw hseraw rashew arshew rsahew srahew asrhew sarhew rahsew arhsew rhasew hrasew ahrsew harsew rshaew srhaew rhsaew hrsaew shraew hsraew ashrew sahrew ahsrew hasrew sharew hsarew eashrw aeshrw esahrw seahrw asehrw saehrw eahsrw aehsrw ehasrw heasrw ahesrw haesrw esharw seharw ehsarw hesarw shearw hsearw asherw saherw ahserw haserw shaerw hsaerw rwashe wrashe rawshe arwshe warshe awrshe rwsahe wrsahe rswahe srwahe wsrahe swrahe raswhe arswhe rsawhe srawhe asrwhe sarwhe wasrhe awsrhe wsarhe swarhe aswrhe sawrhe rwahse wrahse rawhse arwhse warhse awrhse rwhase wrhase rhwase hrwase whrase hwrase rahwse arhwse rhawse hrawse ahrwse harwse wahrse awhrse wharse hwarse ahwrse hawrse rwshae wrshae rswhae srwhae wsrhae swrhae rwhsae wrhsae rhwsae hrwsae whrsae hwrsae rshwae srhwae rhswae hrswae shrwae hsrwae wshrae swhrae whsrae hwsrae shwrae hswrae rashwe arshwe rsahwe srahwe asrhwe sarhwe rahswe arhswe rhaswe hraswe ahrswe harswe rshawe srhawe rhsawe hrsawe shrawe hsrawe ashrwe sahrwe ahsrwe hasrwe sharwe hsarwe washre awshre wsahre swahre aswhre sawhre wahsre awhsre whasre hwasre ahwsre hawsre wshare swhare whsare hwsare shware hsware ashwre sahwre ahswre haswre shawre hsawre ewashr weashr eawshr aewshr waeshr aweshr ewsahr wesahr eswahr sewahr wseahr sweahr easwhr aeswhr esawhr seawhr asewhr saewhr wasehr awsehr wsaehr swaehr aswehr sawehr ewahsr weahsr eawhsr aewhsr waehsr awehsr ewhasr wehasr ehwasr hewasr wheasr hweasr eahwsr aehwsr ehawsr heawsr ahewsr haewsr wahesr awhesr whaesr hwaesr ahwesr hawesr ewshar weshar eswhar sewhar wsehar swehar ewhsar wehsar ehwsar hewsar whesar hwesar eshwar sehwar ehswar heswar shewar hsewar wshear swhear whsear hwsear shwear hswear eashwr aeshwr esahwr seahwr asehwr saehwr eahswr aehswr ehaswr heaswr aheswr haeswr eshawr sehawr ehsawr hesawr sheawr hseawr ashewr sahewr ahsewr hasewr shaewr hsaewr washer awsher wsaher swaher aswher sawher wahser awhser whaser hwaser ahwser hawser wshaer swhaer whsaer hwsaer shwaer hswaer ashwer sahwer ahswer haswer shawer hsawer
Note: these 'words' (valid or invalid) are all the permutations of the word rewash. These words are obtained by scrambling the letters in rewash.