grrl rgrl grrl rgrl rrgl rrgl grlr rglr glrr lgrr rlgr lrgr grlr rglr glrr lgrr rlgr lrgr rrlg rrlg rlrg lrrg rlrg lrrg
Note: these 'words' (valid or invalid) are all the permutations of the word grrl. These words are obtained by scrambling the letters in grrl.