relet erlet rleet lreet elret leret reelt erelt reelt erelt eerlt eerlt rleet lreet relet erlet leret elret elert leert eelrt eelrt leert elert relte erlte rlete lrete elrte lerte retle ertle rtele trele etrle terle rltee lrtee rtlee trlee ltree tlree eltre letre etlre telre ltere tlere reetl eretl reetl eretl eertl eertl retel ertel rteel treel etrel terel retel ertel rteel treel etrel terel eetrl eetrl eterl teerl eterl teerl rlete lrete relte erlte lerte elrte rltee lrtee rtlee trlee ltree tlree retle ertle rtele trele etrle terle letre eltre ltere tlere etlre telre eletr leetr eeltr eeltr leetr eletr elter leter etler teler lteer tleer eetlr eetlr etelr teelr etelr teelr leter elter lteer tleer etler teler
Note: these 'words' (valid or invalid) are all the permutations of the word relet. These words are obtained by scrambling the letters in relet.