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