kasher aksher ksaher skaher askher sakher kahser akhser khaser hkaser ahkser hakser kshaer skhaer khsaer hksaer shkaer hskaer ashker sahker ahsker hasker shaker hsaker kasehr aksehr ksaehr skaehr askehr sakehr kaeshr akeshr keashr ekashr aekshr eakshr kseahr skeahr kesahr eksahr sekahr eskahr asekhr saekhr aeskhr easkhr seakhr esakhr kahesr akhesr khaesr hkaesr ahkesr hakesr kaehsr akehsr keahsr ekahsr aekhsr eakhsr kheasr hkeasr kehasr ekhasr hekasr ehkasr aheksr haeksr aehksr eahksr heaksr ehaksr kshear skhear khsear hksear shkear hskear ksehar skehar keshar ekshar sekhar eskhar khesar hkesar kehsar ekhsar heksar ehksar shekar hsekar sehkar eshkar heskar ehskar ashekr sahekr ahsekr hasekr shaekr hsaekr asehkr saehkr aeshkr eashkr seahkr esahkr aheskr haeskr aehskr eahskr heaskr ehaskr sheakr hseakr sehakr eshakr hesakr ehsakr kashre akshre ksahre skahre askhre sakhre kahsre akhsre khasre hkasre ahksre haksre kshare skhare khsare hksare shkare hskare ashkre sahkre ahskre haskre shakre hsakre kasrhe aksrhe ksarhe skarhe askrhe sakrhe karshe akrshe krashe rkashe arkshe rakshe ksrahe skrahe krsahe rksahe srkahe rskahe asrkhe sarkhe arskhe raskhe srakhe rsakhe kahrse akhrse kharse hkarse ahkrse hakrse karhse akrhse krahse rkahse arkhse rakhse khrase hkrase krhase rkhase hrkase rhkase ahrkse harkse arhkse rahkse hrakse rhakse kshrae skhrae khsrae hksrae shkrae hskrae ksrhae skrhae krshae rkshae srkhae rskhae khrsae hkrsae krhsae rkhsae hrksae rhksae shrkae hsrkae srhkae rshkae hrskae rhskae ashrke sahrke ahsrke hasrke sharke hsarke asrhke sarhke arshke rashke srahke rsahke ahrske harske arhske rahske hraske rhaske shrake hsrake srhake rshake hrsake rhsake kaserh akserh ksaerh skaerh askerh sakerh kaesrh akesrh keasrh ekasrh aeksrh eaksrh ksearh skearh kesarh eksarh sekarh eskarh asekrh saekrh aeskrh easkrh seakrh esakrh kasreh aksreh ksareh skareh askreh sakreh karseh akrseh kraseh rkaseh arkseh rakseh ksraeh skraeh krsaeh rksaeh srkaeh rskaeh asrkeh sarkeh arskeh raskeh srakeh rsakeh kaersh akersh kearsh ekarsh aekrsh eakrsh karesh akresh kraesh rkaesh arkesh rakesh kerash ekrash kreash rkeash erkash rekash aerksh earksh areksh raeksh eraksh reaksh kserah skerah kesrah eksrah sekrah eskrah ksreah skreah krseah rkseah srkeah rskeah kersah ekrsah kresah rkesah erksah reksah serkah esrkah srekah rsekah erskah reskah aserkh saerkh aesrkh easrkh searkh esarkh asrekh sarekh arsekh rasekh sraekh rsaekh aerskh earskh areskh raeskh eraskh reaskh serakh esrakh sreakh rseakh ersakh resakh kahers akhers khaers hkaers ahkers hakers kaehrs akehrs keahrs ekahrs aekhrs eakhrs khears hkears kehars ekhars hekars ehkars ahekrs haekrs aehkrs eahkrs heakrs ehakrs kahres akhres khares hkares ahkres hakres karhes akrhes krahes rkahes arkhes rakhes khraes hkraes krhaes rkhaes hrkaes rhkaes ahrkes harkes arhkes rahkes hrakes rhakes kaerhs akerhs kearhs ekarhs aekrhs eakrhs karehs akrehs kraehs rkaehs arkehs rakehs kerahs ekrahs kreahs rkeahs erkahs rekahs aerkhs earkhs arekhs raekhs erakhs reakhs kheras hkeras kehras ekhras hekras ehkras khreas hkreas krheas rkheas hrkeas rhkeas kerhas ekrhas krehas rkehas erkhas rekhas herkas ehrkas hrekas rhekas erhkas rehkas aherks haerks aehrks eahrks hearks eharks ahreks hareks arheks raheks hraeks rhaeks aerhks earhks arehks raehks erahks reahks heraks ehraks hreaks rheaks erhaks rehaks kshera skhera khsera hksera shkera hskera ksehra skehra keshra ekshra sekhra eskhra khesra hkesra kehsra ekhsra heksra ehksra shekra hsekra sehkra eshkra heskra ehskra kshrea skhrea khsrea hksrea shkrea hskrea ksrhea skrhea krshea rkshea srkhea rskhea khrsea hkrsea krhsea rkhsea hrksea rhksea shrkea hsrkea srhkea rshkea hrskea rhskea kserha skerha kesrha eksrha sekrha eskrha ksreha skreha krseha rkseha srkeha rskeha kersha ekrsha kresha rkesha erksha reksha serkha esrkha srekha rsekha erskha reskha khersa hkersa kehrsa ekhrsa hekrsa ehkrsa khresa hkresa krhesa rkhesa hrkesa rhkesa kerhsa ekrhsa krehsa rkehsa erkhsa rekhsa herksa ehrksa hreksa rheksa erhksa rehksa sherka hserka sehrka eshrka hesrka ehsrka shreka hsreka srheka rsheka hrseka rhseka serhka esrhka srehka rsehka ershka reshka herska ehrska hreska rheska erhska rehska asherk saherk ahserk haserk shaerk hsaerk asehrk saehrk aeshrk eashrk seahrk esahrk ahesrk haesrk aehsrk eahsrk heasrk ehasrk sheark hseark sehark eshark hesark ehsark ashrek sahrek ahsrek hasrek sharek hsarek asrhek sarhek arshek rashek srahek rsahek ahrsek harsek arhsek rahsek hrasek rhasek shraek hsraek srhaek rshaek hrsaek rhsaek aserhk saerhk aesrhk easrhk searhk esarhk asrehk sarehk arsehk rasehk sraehk rsaehk aershk earshk areshk raeshk erashk reashk serahk esrahk sreahk rseahk ersahk resahk ahersk haersk aehrsk eahrsk hearsk eharsk ahresk haresk arhesk rahesk hraesk rhaesk aerhsk earhsk arehsk raehsk erahsk reahsk herask ehrask hreask rheask erhask rehask sherak hserak sehrak eshrak hesrak ehsrak shreak hsreak srheak rsheak hrseak rhseak serhak esrhak srehak rsehak ershak reshak hersak ehrsak hresak rhesak erhsak rehsak
Note: these 'words' (valid or invalid) are all the permutations of the word kasher. These words are obtained by scrambling the letters in kasher.