tules utles tlues ltues ultes lutes tuels utels teuls etuls uetls eutls tleus lteus telus etlus letus eltus ulets luets uelts eults leuts eluts tulse utlse tluse ltuse ultse lutse tusle utsle tsule stule ustle sutle tlsue ltsue tslue stlue lstue sltue ulste luste uslte sulte lsute slute tuesl utesl teusl etusl uetsl eutsl tusel utsel tsuel stuel ustel sutel tesul etsul tseul steul estul setul uestl eustl usetl suetl esutl seutl tlesu ltesu telsu etlsu letsu eltsu tlseu ltseu tsleu stleu lsteu slteu teslu etslu tselu stelu estlu setlu lestu elstu lsetu sletu esltu seltu ulest luest uelst eulst leust elust ulset luset uslet sulet lsuet sluet ueslt euslt uselt suelt esult seult lesut elsut lseut sleut eslut selut
Note: these 'words' (valid or invalid) are all the permutations of the word tules. These words are obtained by scrambling the letters in tules.