purest uprest pruest rpuest urpest rupest puerst uperst peurst epurst ueprst euprst preust rpeust perust eprust repust erpust urepst ruepst uerpst eurpst reupst erupst purset uprset pruset rpuset urpset rupset pusret upsret psuret spuret uspret supret prsuet rpsuet psruet spruet rspuet srpuet urspet ruspet usrpet surpet rsupet srupet puesrt upesrt peusrt epusrt uepsrt eupsrt pusert upsert psuert spuert uspert supert pesurt epsurt pseurt speurt espurt sepurt uesprt eusprt useprt sueprt esuprt seuprt presut rpesut persut eprsut repsut erpsut prseut rpseut psreut spreut rspeut srpeut pesrut epsrut pserut sperut esprut seprut resput ersput rseput sreput esrput serput urespt ruespt uerspt eurspt reuspt eruspt ursept rusept usrept surept rsuept sruept uesrpt eusrpt userpt suerpt esurpt seurpt resupt ersupt rseupt sreupt esrupt serupt purets uprets pruets rpuets urpets rupets puerts uperts peurts epurts ueprts euprts preuts rpeuts peruts epruts reputs erputs urepts ruepts uerpts eurpts reupts erupts purtes uprtes prutes rputes urptes ruptes putres uptres ptures tpures utpres tupres prtues rptues ptrues tprues rtpues trpues urtpes rutpes utrpes turpes rtupes trupes puetrs upetrs peutrs eputrs ueptrs euptrs puters upters ptuers tpuers utpers tupers peturs epturs pteurs tpeurs etpurs tepurs uetprs eutprs uteprs tueprs etuprs teuprs pretus rpetus pertus eprtus reptus erptus prteus rpteus ptreus tpreus rtpeus trpeus petrus eptrus pterus tperus etprus teprus retpus ertpus rtepus trepus etrpus terpus uretps ruetps uertps eurtps reutps erutps urteps ruteps utreps tureps rtueps trueps uetrps eutrps uterps tuerps eturps teurps retups ertups rteups treups etrups terups purste uprste pruste rpuste urpste rupste pusrte upsrte psurte spurte usprte suprte prsute rpsute psrute sprute rspute srpute urspte ruspte usrpte surpte rsupte srupte purtse uprtse prutse rputse urptse ruptse putrse uptrse pturse tpurse utprse tuprse prtuse rptuse ptruse tpruse rtpuse trpuse urtpse rutpse utrpse turpse rtupse trupse pustre upstre psutre sputre usptre suptre putsre uptsre ptusre tpusre utpsre tupsre psture spture ptsure tpsure stpure tspure ustpre sutpre utspre tuspre stupre tsupre prstue rpstue psrtue sprtue rsptue srptue prtsue rptsue ptrsue tprsue rtpsue trpsue pstrue sptrue ptsrue tpsrue stprue tsprue rstpue srtpue rtspue trspue strpue tsrpue urstpe rustpe usrtpe surtpe rsutpe srutpe urtspe rutspe utrspe turspe rtuspe truspe ustrpe sutrpe utsrpe tusrpe sturpe tsurpe rstupe srtupe rtsupe trsupe strupe tsrupe puestr upestr peustr epustr uepstr eupstr pusetr upsetr psuetr spuetr uspetr supetr pesutr epsutr pseutr speutr esputr seputr uesptr eusptr useptr sueptr esuptr seuptr puetsr upetsr peutsr eputsr ueptsr euptsr putesr uptesr ptuesr tpuesr utpesr tupesr petusr eptusr pteusr tpeusr etpusr tepusr uetpsr eutpsr utepsr tuepsr etupsr teupsr puster upster psuter sputer uspter supter putser uptser ptuser tpuser utpser tupser pstuer sptuer ptsuer tpsuer stpuer tspuer ustper sutper utsper tusper stuper tsuper pestur epstur psetur spetur esptur septur petsur eptsur ptesur tpesur etpsur tepsur psteur spteur ptseur tpseur stpeur tspeur estpur setpur etspur tespur stepur tsepur uestpr eustpr usetpr suetpr esutpr seutpr uetspr eutspr utespr tuespr etuspr teuspr ustepr sutepr utsepr tusepr stuepr tsuepr estupr setupr etsupr tesupr steupr tseupr prestu rpestu perstu eprstu repstu erpstu prsetu rpsetu psretu spretu rspetu srpetu pesrtu epsrtu psertu spertu esprtu seprtu resptu ersptu rseptu sreptu esrptu serptu pretsu rpetsu pertsu eprtsu reptsu erptsu prtesu rptesu ptresu tpresu rtpesu trpesu petrsu eptrsu ptersu tpersu etprsu teprsu retpsu ertpsu rtepsu trepsu etrpsu terpsu prsteu rpsteu psrteu sprteu rspteu srpteu prtseu rptseu ptrseu tprseu rtpseu trpseu pstreu sptreu ptsreu tpsreu stpreu tspreu rstpeu srtpeu rtspeu trspeu strpeu tsrpeu pestru epstru psetru spetru esptru septru petsru eptsru ptesru tpesru etpsru tepsru psteru spteru ptseru tpseru stperu tsperu estpru setpru etspru tespru stepru tsepru restpu erstpu rsetpu sretpu esrtpu sertpu retspu ertspu rtespu trespu etrspu terspu rstepu srtepu rtsepu trsepu strepu tsrepu estrpu setrpu etsrpu tesrpu sterpu tserpu urestp ruestp uerstp eurstp reustp erustp ursetp rusetp usretp suretp rsuetp sruetp uesrtp eusrtp usertp suertp esurtp seurtp resutp ersutp rseutp sreutp esrutp serutp uretsp ruetsp uertsp eurtsp reutsp erutsp urtesp rutesp utresp turesp rtuesp truesp uetrsp eutrsp utersp tuersp etursp teursp retusp ertusp rteusp treusp etrusp terusp urstep rustep usrtep surtep rsutep srutep urtsep rutsep utrsep tursep rtusep trusep ustrep sutrep utsrep tusrep sturep tsurep rstuep srtuep rtsuep trsuep struep tsruep uestrp eustrp usetrp suetrp esutrp seutrp uetsrp eutsrp utesrp tuesrp etusrp teusrp usterp suterp utserp tuserp stuerp tsuerp esturp seturp etsurp tesurp steurp tseurp restup erstup rsetup sretup esrtup sertup retsup ertsup rtesup tresup etrsup tersup rsteup srteup rtseup trseup streup tsreup estrup setrup etsrup tesrup sterup tserup
Note: these 'words' (valid or invalid) are all the permutations of the word purest. These words are obtained by scrambling the letters in purest.