okcg kocg ockg cokg kcog ckog okgc kogc ogkc gokc kgoc gkoc ocgk cogk ogck gock cgok gcok kcgo ckgo kgco gkco cgko gcko
Note: these 'words' (valid or invalid) are all the permutations of the word okcg. These words are obtained by scrambling the letters in okcg.