ultras lutras utlras tulras lturas tluras ulrtas lurtas urltas rultas lrutas rlutas utrlas turlas urtlas rutlas trulas rtulas ltruas tlruas lrtuas rltuas trluas rtluas ultars lutars utlars tulars ltuars tluars ulatrs luatrs ualtrs aultrs lautrs alutrs utalrs tualrs uatlrs autlrs taulrs atulrs ltaurs tlaurs laturs alturs talurs atlurs ulrats lurats urlats rulats lruats rluats ularts luarts ualrts aulrts laurts alurts uralts rualts uarlts aurlts raults arults lrauts rlauts laruts alruts raluts arluts utrals turals urtals rutals truals rtuals utarls tuarls uatrls autrls taurls aturls uratls ruatls uartls aurtls rautls arutls trauls rtauls taruls atruls ratuls artuls ltraus tlraus lrtaus rltaus trlaus rtlaus ltarus tlarus latrus altrus talrus atlrus lratus rlatus lartus alrtus raltus arltus tralus rtalus tarlus atrlus ratlus artlus ultrsa lutrsa utlrsa tulrsa ltursa tlursa ulrtsa lurtsa urltsa rultsa lrutsa rlutsa utrlsa turlsa urtlsa rutlsa trulsa rtulsa ltrusa tlrusa lrtusa rltusa trlusa rtlusa ultsra lutsra utlsra tulsra ltusra tlusra ulstra lustra usltra sultra lsutra slutra utslra tuslra ustlra sutlra tsulra stulra ltsura tlsura lstura sltura tslura stlura ulrsta lursta urlsta rulsta lrusta rlusta ulsrta lusrta uslrta sulrta lsurta slurta urslta ruslta usrlta surlta rsulta srulta lrsuta rlsuta lsruta slruta rsluta srluta utrsla tursla urtsla rutsla trusla rtusla utsrla tusrla ustrla sutrla tsurla sturla urstla rustla usrtla surtla rsutla srutla trsula rtsula tsrula strula rstula srtula ltrsua tlrsua lrtsua rltsua trlsua rtlsua ltsrua tlsrua lstrua sltrua tslrua stlrua lrstua rlstua lsrtua slrtua rsltua srltua trslua rtslua tsrlua strlua rstlua srtlua ultasr lutasr utlasr tulasr ltuasr tluasr ulatsr luatsr ualtsr aultsr lautsr alutsr utalsr tualsr uatlsr autlsr taulsr atulsr ltausr tlausr latusr altusr talusr atlusr ultsar lutsar utlsar tulsar ltusar tlusar ulstar lustar usltar sultar lsutar slutar utslar tuslar ustlar sutlar tsular stular ltsuar tlsuar lstuar sltuar tsluar stluar ulastr luastr ualstr aulstr laustr alustr ulsatr lusatr uslatr sulatr lsuatr sluatr uasltr ausltr usaltr sualtr asultr saultr lasutr alsutr lsautr slautr aslutr salutr utaslr tuaslr uatslr autslr tauslr atuslr utsalr tusalr ustalr sutalr tsualr stualr uastlr austlr usatlr suatlr asutlr sautlr tasulr atsulr tsaulr staulr astulr satulr ltasur tlasur latsur altsur talsur atlsur ltsaur tlsaur lstaur sltaur tslaur stlaur lastur alstur lsatur slatur asltur saltur taslur atslur tsalur stalur astlur satlur ulrast lurast urlast rulast lruast rluast ularst luarst ualrst aulrst laurst alurst uralst rualst uarlst aurlst raulst arulst lraust rlaust larust alrust ralust arlust ulrsat lursat urlsat rulsat lrusat rlusat ulsrat lusrat uslrat sulrat lsurat slurat urslat ruslat usrlat surlat rsulat srulat lrsuat rlsuat lsruat slruat rsluat srluat ulasrt luasrt ualsrt aulsrt lausrt alusrt ulsart lusart uslart sulart lsuart sluart uaslrt auslrt usalrt sualrt asulrt saulrt lasurt alsurt lsaurt slaurt aslurt salurt uraslt ruaslt uarslt aurslt rauslt aruslt ursalt rusalt usralt suralt rsualt srualt uasrlt ausrlt usarlt suarlt asurlt saurlt rasult arsult rsault srault asrult sarult lrasut rlasut larsut alrsut ralsut arlsut lrsaut rlsaut lsraut slraut rslaut srlaut lasrut alsrut lsarut slarut aslrut salrut raslut arslut rsalut sralut asrlut sarlut utrasl turasl urtasl rutasl truasl rtuasl utarsl tuarsl uatrsl autrsl taursl atursl uratsl ruatsl uartsl aurtsl rautsl arutsl trausl rtausl tarusl atrusl ratusl artusl utrsal tursal urtsal rutsal trusal rtusal utsral tusral ustral sutral tsural stural urstal rustal usrtal surtal rsutal srutal trsual rtsual tsrual strual rstual srtual utasrl tuasrl uatsrl autsrl tausrl atusrl utsarl tusarl ustarl sutarl tsuarl stuarl uastrl austrl usatrl suatrl asutrl sautrl tasurl atsurl tsaurl staurl asturl saturl urastl ruastl uarstl aurstl raustl arustl ursatl rusatl usratl suratl rsuatl sruatl uasrtl ausrtl usartl suartl asurtl saurtl rasutl arsutl rsautl srautl asrutl sarutl trasul rtasul tarsul atrsul ratsul artsul trsaul rtsaul tsraul straul rstaul srtaul tasrul atsrul tsarul starul astrul satrul rastul arstul rsatul sratul asrtul sartul ltrasu tlrasu lrtasu rltasu trlasu rtlasu ltarsu tlarsu latrsu altrsu talrsu atlrsu lratsu rlatsu lartsu alrtsu raltsu arltsu tralsu rtalsu tarlsu atrlsu ratlsu artlsu ltrsau tlrsau lrtsau rltsau trlsau rtlsau ltsrau tlsrau lstrau sltrau tslrau stlrau lrstau rlstau lsrtau slrtau rsltau srltau trslau rtslau tsrlau strlau rstlau srtlau ltasru tlasru latsru altsru talsru atlsru ltsaru tlsaru lstaru sltaru tslaru stlaru lastru alstru lsatru slatru asltru saltru taslru atslru tsalru stalru astlru satlru lrastu rlastu larstu alrstu ralstu arlstu lrsatu rlsatu lsratu slratu rslatu srlatu lasrtu alsrtu lsartu slartu aslrtu salrtu rasltu arsltu rsaltu sraltu asrltu sarltu traslu rtaslu tarslu atrslu ratslu artslu trsalu rtsalu tsralu stralu rstalu srtalu tasrlu atsrlu tsarlu starlu astrlu satrlu rastlu arstlu rsatlu sratlu asrtlu sartlu
Note: these 'words' (valid or invalid) are all the permutations of the word ultras. These words are obtained by scrambling the letters in ultras.