gurls ugrls gruls rguls urgls rugls gulrs uglrs glurs lgurs ulgrs lugrs grlus rglus glrus lgrus rlgus lrgus urlgs rulgs ulrgs lurgs rlugs lrugs gursl ugrsl grusl rgusl urgsl rugsl gusrl ugsrl gsurl sgurl usgrl sugrl grsul rgsul gsrul sgrul rsgul srgul ursgl rusgl usrgl surgl rsugl srugl gulsr uglsr glusr lgusr ulgsr lugsr guslr ugslr gsulr sgulr usglr suglr glsur lgsur gslur sglur lsgur slgur ulsgr lusgr uslgr sulgr lsugr slugr grlsu rglsu glrsu lgrsu rlgsu lrgsu grslu rgslu gsrlu sgrlu rsglu srglu glsru lgsru gslru sglru lsgru slgru rlsgu lrsgu rslgu srlgu lsrgu slrgu urlsg rulsg ulrsg lursg rlusg lrusg urslg ruslg usrlg surlg rsulg srulg ulsrg lusrg uslrg sulrg lsurg slurg rlsug lrsug rslug srlug lsrug slrug
Note: these 'words' (valid or invalid) are all the permutations of the word gurls. These words are obtained by scrambling the letters in gurls.