should hsould sohuld oshuld hosuld ohsuld shuold hsuold suhold ushold husold uhsold souhld osuhld suohld usohld oushld uoshld housld ohusld huosld uhosld ouhsld uohsld sholud hsolud sohlud oshlud hoslud ohslud shloud hsloud slhoud lshoud hlsoud lhsoud solhud oslhud slohud lsohud olshud loshud holsud ohlsud hlosud lhosud olhsud lohsud shulod hsulod suhlod ushlod huslod uhslod shluod hsluod slhuod lshuod hlsuod lhsuod sulhod uslhod sluhod lsuhod ulshod lushod hulsod uhlsod hlusod lhusod ulhsod luhsod soulhd osulhd suolhd usolhd ouslhd uoslhd soluhd osluhd slouhd lsouhd olsuhd losuhd sulohd uslohd sluohd lsuohd ulsohd lusohd oulshd uolshd olushd loushd uloshd luoshd houlsd ohulsd huolsd uholsd ouhlsd uohlsd holusd ohlusd hlousd lhousd olhusd lohusd hulosd uhlosd hluosd lhuosd ulhosd luhosd oulhsd uolhsd oluhsd louhsd ulohsd luohsd shoudl hsoudl sohudl oshudl hosudl ohsudl shuodl hsuodl suhodl ushodl husodl uhsodl souhdl osuhdl suohdl usohdl oushdl uoshdl housdl ohusdl huosdl uhosdl ouhsdl uohsdl shodul hsodul sohdul oshdul hosdul ohsdul shdoul hsdoul sdhoul dshoul hdsoul dhsoul sodhul osdhul sdohul dsohul odshul doshul hodsul ohdsul hdosul dhosul odhsul dohsul shudol hsudol suhdol ushdol husdol uhsdol shduol hsduol sdhuol dshuol hdsuol dhsuol sudhol usdhol sduhol dsuhol udshol dushol hudsol uhdsol hdusol dhusol udhsol duhsol soudhl osudhl suodhl usodhl ousdhl uosdhl soduhl osduhl sdouhl dsouhl odsuhl dosuhl sudohl usdohl sduohl dsuohl udsohl dusohl oudshl uodshl odushl doushl udoshl duoshl houdsl ohudsl huodsl uhodsl ouhdsl uohdsl hodusl ohdusl hdousl dhousl odhusl dohusl hudosl uhdosl hduosl dhuosl udhosl duhosl oudhsl uodhsl oduhsl douhsl udohsl duohsl sholdu hsoldu sohldu oshldu hosldu ohsldu shlodu hslodu slhodu lshodu hlsodu lhsodu solhdu oslhdu slohdu lsohdu olshdu loshdu holsdu ohlsdu hlosdu lhosdu olhsdu lohsdu shodlu hsodlu sohdlu oshdlu hosdlu ohsdlu shdolu hsdolu sdholu dsholu hdsolu dhsolu sodhlu osdhlu sdohlu dsohlu odshlu doshlu hodslu ohdslu hdoslu dhoslu odhslu dohslu shldou hsldou slhdou lshdou hlsdou lhsdou shdlou hsdlou sdhlou dshlou hdslou dhslou sldhou lsdhou sdlhou dslhou ldshou dlshou hldsou lhdsou hdlsou dhlsou ldhsou dlhsou soldhu osldhu slodhu lsodhu olsdhu losdhu sodlhu osdlhu sdolhu dsolhu odslhu doslhu sldohu lsdohu sdlohu dslohu ldsohu dlsohu oldshu lodshu odlshu dolshu ldoshu dloshu holdsu ohldsu hlodsu lhodsu olhdsu lohdsu hodlsu ohdlsu hdolsu dholsu odhlsu dohlsu hldosu lhdosu hdlosu dhlosu ldhosu dlhosu oldhsu lodhsu odlhsu dolhsu ldohsu dlohsu shuldo hsuldo suhldo ushldo husldo uhsldo shludo hsludo slhudo lshudo hlsudo lhsudo sulhdo uslhdo sluhdo lsuhdo ulshdo lushdo hulsdo uhlsdo hlusdo lhusdo ulhsdo luhsdo shudlo hsudlo suhdlo ushdlo husdlo uhsdlo shdulo hsdulo sdhulo dshulo hdsulo dhsulo sudhlo usdhlo sduhlo dsuhlo udshlo dushlo hudslo uhdslo hduslo dhuslo udhslo duhslo shlduo hslduo slhduo lshduo hlsduo lhsduo shdluo hsdluo sdhluo dshluo hdsluo dhsluo sldhuo lsdhuo sdlhuo dslhuo ldshuo dlshuo hldsuo lhdsuo hdlsuo dhlsuo ldhsuo dlhsuo suldho usldho sludho lsudho ulsdho lusdho sudlho usdlho sdulho dsulho udslho duslho slduho lsduho sdluho dsluho ldsuho dlsuho uldsho ludsho udlsho dulsho ldusho dlusho huldso uhldso hludso lhudso ulhdso luhdso hudlso uhdlso hdulso dhulso udhlso duhlso hlduso lhduso hdluso dhluso ldhuso dlhuso uldhso ludhso udlhso dulhso lduhso dluhso souldh osuldh suoldh usoldh ousldh uosldh soludh osludh sloudh lsoudh olsudh losudh sulodh uslodh sluodh lsuodh ulsodh lusodh oulsdh uolsdh olusdh lousdh ulosdh luosdh soudlh osudlh suodlh usodlh ousdlh uosdlh sodulh osdulh sdoulh dsoulh odsulh dosulh sudolh usdolh sduolh dsuolh udsolh dusolh oudslh uodslh oduslh douslh udoslh duoslh solduh oslduh sloduh lsoduh olsduh losduh sodluh osdluh sdoluh dsoluh odsluh dosluh sldouh lsdouh sdlouh dslouh ldsouh dlsouh oldsuh lodsuh odlsuh dolsuh ldosuh dlosuh suldoh usldoh sludoh lsudoh ulsdoh lusdoh sudloh usdloh sduloh dsuloh udsloh dusloh slduoh lsduoh sdluoh dsluoh ldsuoh dlsuoh uldsoh ludsoh udlsoh dulsoh ldusoh dlusoh ouldsh uoldsh oludsh loudsh ulodsh luodsh oudlsh uodlsh odulsh doulsh udolsh duolsh oldush lodush odlush dolush ldoush dloush uldosh ludosh udlosh dulosh lduosh dluosh houlds ohulds huolds uholds ouhlds uohlds holuds ohluds hlouds lhouds olhuds lohuds hulods uhlods hluods lhuods ulhods luhods oulhds uolhds oluhds louhds ulohds luohds houdls ohudls huodls uhodls ouhdls uohdls hoduls ohduls hdouls dhouls odhuls dohuls hudols uhdols hduols dhuols udhols duhols oudhls uodhls oduhls douhls udohls duohls holdus ohldus hlodus lhodus olhdus lohdus hodlus ohdlus hdolus dholus odhlus dohlus hldous lhdous hdlous dhlous ldhous dlhous oldhus lodhus odlhus dolhus ldohus dlohus huldos uhldos hludos lhudos ulhdos luhdos hudlos uhdlos hdulos dhulos udhlos duhlos hlduos lhduos hdluos dhluos ldhuos dlhuos uldhos ludhos udlhos dulhos lduhos dluhos ouldhs uoldhs oludhs loudhs ulodhs luodhs oudlhs uodlhs odulhs doulhs udolhs duolhs olduhs loduhs odluhs doluhs ldouhs dlouhs uldohs ludohs udlohs dulohs lduohs dluohs
Note: these 'words' (valid or invalid) are all the permutations of the word should. These words are obtained by scrambling the letters in should.