thurls hturls tuhrls uthrls hutrls uhtrls thruls htruls trhuls rthuls hrtuls rhtuls turhls utrhls truhls rtuhls urthls ruthls hurtls uhrtls hrutls rhutls urhtls ruhtls thulrs htulrs tuhlrs uthlrs hutlrs uhtlrs thlurs htlurs tlhurs lthurs hlturs lhturs tulhrs utlhrs tluhrs ltuhrs ulthrs luthrs hultrs uhltrs hlutrs lhutrs ulhtrs luhtrs thrlus htrlus trhlus rthlus hrtlus rhtlus thlrus htlrus tlhrus lthrus hltrus lhtrus trlhus rtlhus tlrhus ltrhus rlthus lrthus hrltus rhltus hlrtus lhrtus rlhtus lrhtus turlhs utrlhs trulhs rtulhs urtlhs rutlhs tulrhs utlrhs tlurhs lturhs ultrhs lutrhs trluhs rtluhs tlruhs ltruhs rltuhs lrtuhs urlths rulths ulrths lurths rluths lruths hurlts uhrlts hrults rhults urhlts ruhlts hulrts uhlrts hlurts lhurts ulhrts luhrts hrluts rhluts hlruts lhruts rlhuts lrhuts urlhts rulhts ulrhts lurhts rluhts lruhts thursl htursl tuhrsl uthrsl hutrsl uhtrsl thrusl htrusl trhusl rthusl hrtusl rhtusl turhsl utrhsl truhsl rtuhsl urthsl ruthsl hurtsl uhrtsl hrutsl rhutsl urhtsl ruhtsl thusrl htusrl tuhsrl uthsrl hutsrl uhtsrl thsurl htsurl tshurl sthurl hsturl shturl tushrl utshrl tsuhrl stuhrl usthrl suthrl hustrl uhstrl hsutrl shutrl ushtrl suhtrl thrsul htrsul trhsul rthsul hrtsul rhtsul thsrul htsrul tshrul sthrul hstrul shtrul trshul rtshul tsrhul strhul rsthul srthul hrstul rhstul hsrtul shrtul rshtul srhtul turshl utrshl trushl rtushl urtshl rutshl tusrhl utsrhl tsurhl sturhl ustrhl sutrhl trsuhl rtsuhl tsruhl struhl rstuhl srtuhl ursthl rusthl usrthl surthl rsuthl sruthl hurstl uhrstl hrustl rhustl urhstl ruhstl husrtl uhsrtl hsurtl shurtl ushrtl suhrtl hrsutl rhsutl hsrutl shrutl rshutl srhutl urshtl rushtl usrhtl surhtl rsuhtl sruhtl thulsr htulsr tuhlsr uthlsr hutlsr uhtlsr thlusr htlusr tlhusr lthusr hltusr lhtusr tulhsr utlhsr tluhsr ltuhsr ulthsr luthsr hultsr uhltsr hlutsr lhutsr ulhtsr luhtsr thuslr htuslr tuhslr uthslr hutslr uhtslr thsulr htsulr tshulr sthulr hstulr shtulr tushlr utshlr tsuhlr stuhlr usthlr suthlr hustlr uhstlr hsutlr shutlr ushtlr suhtlr thlsur htlsur tlhsur lthsur hltsur lhtsur thslur htslur tshlur sthlur hstlur shtlur tlshur ltshur tslhur stlhur lsthur slthur hlstur lhstur hsltur shltur lshtur slhtur tulshr utlshr tlushr ltushr ultshr lutshr tuslhr utslhr tsulhr stulhr ustlhr sutlhr tlsuhr ltsuhr tsluhr stluhr lstuhr sltuhr ulsthr lusthr uslthr sulthr lsuthr sluthr hulstr uhlstr hlustr lhustr ulhstr luhstr husltr uhsltr hsultr shultr ushltr suhltr hlsutr lhsutr hslutr shlutr lshutr slhutr ulshtr lushtr uslhtr sulhtr lsuhtr sluhtr thrlsu htrlsu trhlsu rthlsu hrtlsu rhtlsu thlrsu htlrsu tlhrsu lthrsu hltrsu lhtrsu trlhsu rtlhsu tlrhsu ltrhsu rlthsu lrthsu hrltsu rhltsu hlrtsu lhrtsu rlhtsu lrhtsu thrslu htrslu trhslu rthslu hrtslu rhtslu thsrlu htsrlu tshrlu sthrlu hstrlu shtrlu trshlu rtshlu tsrhlu strhlu rsthlu srthlu hrstlu rhstlu hsrtlu shrtlu rshtlu srhtlu thlsru htlsru tlhsru lthsru hltsru lhtsru thslru htslru tshlru sthlru hstlru shtlru tlshru ltshru tslhru stlhru lsthru slthru hlstru lhstru hsltru shltru lshtru slhtru trlshu rtlshu tlrshu ltrshu rltshu lrtshu trslhu rtslhu tsrlhu strlhu rstlhu srtlhu tlsrhu ltsrhu tslrhu stlrhu lstrhu sltrhu rlsthu lrsthu rslthu srlthu lsrthu slrthu hrlstu rhlstu hlrstu lhrstu rlhstu lrhstu hrsltu rhsltu hsrltu shrltu rshltu srhltu hlsrtu lhsrtu hslrtu shlrtu lshrtu slhrtu rlshtu lrshtu rslhtu srlhtu lsrhtu slrhtu turlsh utrlsh trulsh rtulsh urtlsh rutlsh tulrsh utlrsh tlursh ltursh ultrsh lutrsh trlush rtlush tlrush ltrush rltush lrtush urltsh rultsh ulrtsh lurtsh rlutsh lrutsh turslh utrslh truslh rtuslh urtslh rutslh tusrlh utsrlh tsurlh sturlh ustrlh sutrlh trsulh rtsulh tsrulh strulh rstulh srtulh urstlh rustlh usrtlh surtlh rsutlh srutlh tulsrh utlsrh tlusrh ltusrh ultsrh lutsrh tuslrh utslrh tsulrh stulrh ustlrh sutlrh tlsurh ltsurh tslurh stlurh lsturh slturh ulstrh lustrh usltrh sultrh lsutrh slutrh trlsuh rtlsuh tlrsuh ltrsuh rltsuh lrtsuh trsluh rtsluh tsrluh strluh rstluh srtluh tlsruh ltsruh tslruh stlruh lstruh sltruh rlstuh lrstuh rsltuh srltuh lsrtuh slrtuh urlsth rulsth ulrsth lursth rlusth lrusth urslth ruslth usrlth surlth rsulth srulth ulsrth lusrth uslrth sulrth lsurth slurth rlsuth lrsuth rsluth srluth lsruth slruth hurlst uhrlst hrulst rhulst urhlst ruhlst hulrst uhlrst hlurst lhurst ulhrst luhrst hrlust rhlust hlrust lhrust rlhust lrhust urlhst rulhst ulrhst lurhst rluhst lruhst hurslt uhrslt hruslt rhuslt urhslt ruhslt husrlt uhsrlt hsurlt shurlt ushrlt suhrlt hrsult rhsult hsrult shrult rshult srhult urshlt rushlt usrhlt surhlt rsuhlt sruhlt hulsrt uhlsrt hlusrt lhusrt ulhsrt luhsrt huslrt uhslrt hsulrt shulrt ushlrt suhlrt hlsurt lhsurt hslurt shlurt lshurt slhurt ulshrt lushrt uslhrt sulhrt lsuhrt sluhrt hrlsut rhlsut hlrsut lhrsut rlhsut lrhsut hrslut rhslut hsrlut shrlut rshlut srhlut hlsrut lhsrut hslrut shlrut lshrut slhrut rlshut lrshut rslhut srlhut lsrhut slrhut urlsht rulsht ulrsht lursht rlusht lrusht urslht ruslht usrlht surlht rsulht srulht ulsrht lusrht uslrht sulrht lsurht slurht rlsuht lrsuht rsluht srluht lsruht slruht
Note: these 'words' (valid or invalid) are all the permutations of the word thurls. These words are obtained by scrambling the letters in thurls.