lick ilck lcik clik iclk cilk likc ilkc lkic klic iklc kilc lcki clki lkci klci ckli kcli ickl cikl ikcl kicl ckil kcil
Note: these 'words' (valid or invalid) are all the permutations of the word lick. These words are obtained by scrambling the letters in lick.