sleuth lseuth seluth esluth lesuth elsuth slueth lsueth suleth usleth luseth ulseth seulth esulth suelth uselth euslth ueslth leusth elusth luesth ulesth eulsth uelsth sletuh lsetuh seltuh esltuh lestuh elstuh slteuh lsteuh stleuh tsleuh ltseuh tlseuh setluh estluh steluh tseluh etsluh tesluh letsuh eltsuh ltesuh tlesuh etlsuh telsuh sluteh lsuteh sulteh uslteh lusteh ulsteh sltueh lstueh stlueh tslueh ltsueh tlsueh sutleh ustleh stuleh tsuleh utsleh tusleh lutseh ultseh ltuseh tluseh utlseh tulseh seutlh esutlh suetlh usetlh eustlh uestlh setulh estulh steulh tseulh etsulh tesulh sutelh ustelh stuelh tsuelh utselh tuselh eutslh uetslh etuslh teuslh uteslh tueslh leutsh elutsh luetsh uletsh eultsh ueltsh letush eltush lteush tleush etlush telush lutesh ultesh ltuesh tluesh utlesh tulesh eutlsh uetlsh etulsh teulsh utelsh tuelsh sleuht lseuht seluht esluht lesuht elsuht slueht lsueht suleht usleht luseht ulseht seulht esulht suelht uselht euslht ueslht leusht elusht luesht ulesht eulsht uelsht slehut lsehut selhut eslhut leshut elshut slheut lsheut shleut hsleut lhseut hlseut sehlut eshlut shelut hselut ehslut heslut lehsut elhsut lhesut hlesut ehlsut helsut sluhet lsuhet sulhet uslhet lushet ulshet slhuet lshuet shluet hsluet lhsuet hlsuet suhlet ushlet shulet hsulet uhslet huslet luhset ulhset lhuset hluset uhlset hulset seuhlt esuhlt suehlt usehlt eushlt ueshlt sehult eshult sheult hseult ehsult hesult suhelt ushelt shuelt hsuelt uhselt huselt euhslt uehslt ehuslt heuslt uheslt hueslt leuhst eluhst luehst ulehst eulhst uelhst lehust elhust lheust hleust ehlust helust luhest ulhest lhuest hluest uhlest hulest euhlst uehlst ehulst heulst uhelst huelst slethu lsethu selthu eslthu lesthu elsthu sltehu lstehu stlehu tslehu ltsehu tlsehu setlhu estlhu stelhu tselhu etslhu teslhu letshu eltshu lteshu tleshu etlshu telshu slehtu lsehtu selhtu eslhtu leshtu elshtu slhetu lshetu shletu hsletu lhsetu hlsetu sehltu eshltu sheltu hseltu ehsltu hesltu lehstu elhstu lhestu hlestu ehlstu helstu sltheu lstheu stlheu tslheu ltsheu tlsheu slhteu lshteu shlteu hslteu lhsteu hlsteu sthleu tshleu shtleu hstleu thsleu htsleu lthseu tlhseu lhtseu hltseu thlseu htlseu sethlu esthlu stehlu tsehlu etshlu teshlu sehtlu eshtlu shetlu hsetlu ehstlu hestlu sthelu tshelu shtelu hstelu thselu htselu ethslu tehslu ehtslu hetslu theslu hteslu lethsu elthsu ltehsu tlehsu etlhsu telhsu lehtsu elhtsu lhetsu hletsu ehltsu heltsu lthesu tlhesu lhtesu hltesu thlesu htlesu ethlsu tehlsu ehtlsu hetlsu thelsu htelsu sluthe lsuthe sulthe uslthe lusthe ulsthe sltuhe lstuhe stluhe tsluhe ltsuhe tlsuhe sutlhe ustlhe stulhe tsulhe utslhe tuslhe lutshe ultshe ltushe tlushe utlshe tulshe sluhte lsuhte sulhte uslhte lushte ulshte slhute lshute shlute hslute lhsute hlsute suhlte ushlte shulte hsulte uhslte huslte luhste ulhste lhuste hluste uhlste hulste slthue lsthue stlhue tslhue ltshue tlshue slhtue lshtue shltue hsltue lhstue hlstue sthlue tshlue shtlue hstlue thslue htslue lthsue tlhsue lhtsue hltsue thlsue htlsue suthle usthle stuhle tsuhle utshle tushle suhtle ushtle shutle hsutle uhstle hustle sthule tshule shtule hstule thsule htsule uthsle tuhsle uhtsle hutsle thusle htusle luthse ulthse ltuhse tluhse utlhse tulhse luhtse ulhtse lhutse hlutse uhltse hultse lthuse tlhuse lhtuse hltuse thluse htluse uthlse tuhlse uhtlse hutlse thulse htulse seuthl esuthl suethl usethl eusthl uesthl setuhl estuhl steuhl tseuhl etsuhl tesuhl sutehl ustehl stuehl tsuehl utsehl tusehl eutshl uetshl etushl teushl uteshl tueshl seuhtl esuhtl suehtl usehtl eushtl ueshtl sehutl eshutl sheutl hseutl ehsutl hesutl suhetl ushetl shuetl hsuetl uhsetl husetl euhstl uehstl ehustl heustl uhestl huestl sethul esthul stehul tsehul etshul teshul sehtul eshtul shetul hsetul ehstul hestul stheul tsheul shteul hsteul thseul htseul ethsul tehsul ehtsul hetsul thesul htesul suthel usthel stuhel tsuhel utshel tushel suhtel ushtel shutel hsutel uhstel hustel sthuel tshuel shtuel hstuel thsuel htsuel uthsel tuhsel uhtsel hutsel thusel htusel euthsl uethsl etuhsl teuhsl utehsl tuehsl euhtsl uehtsl ehutsl heutsl uhetsl huetsl ethusl tehusl ehtusl hetusl theusl hteusl uthesl tuhesl uhtesl hutesl thuesl htuesl leuths eluths lueths uleths eulths uelths letuhs eltuhs lteuhs tleuhs etluhs teluhs lutehs ultehs ltuehs tluehs utlehs tulehs eutlhs uetlhs etulhs teulhs utelhs tuelhs leuhts eluhts luehts ulehts eulhts uelhts lehuts elhuts lheuts hleuts ehluts heluts luhets ulhets lhuets hluets uhlets hulets euhlts uehlts ehults heults uhelts huelts lethus elthus ltehus tlehus etlhus telhus lehtus elhtus lhetus hletus ehltus heltus ltheus tlheus lhteus hlteus thleus htleus ethlus tehlus ehtlus hetlus thelus htelus luthes ulthes ltuhes tluhes utlhes tulhes luhtes ulhtes lhutes hlutes uhltes hultes lthues tlhues lhtues hltues thlues htlues uthles tuhles uhtles hutles thules htules euthls uethls etuhls teuhls utehls tuehls euhtls uehtls ehutls heutls uhetls huetls ethuls tehuls ehtuls hetuls theuls hteuls uthels tuhels uhtels hutels thuels htuels
Note: these 'words' (valid or invalid) are all the permutations of the word sleuth. These words are obtained by scrambling the letters in sleuth.