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