chock hcock cohck ochck hocck ohcck chcok hccok cchok cchok hccok chcok cochk occhk ccohk ccohk occhk cochk hocck ohcck hcock chock ochck cohck chokc hcokc cohkc ochkc hockc ohckc chkoc hckoc ckhoc kchoc hkcoc khcoc cokhc ockhc ckohc kcohc okchc kochc hokcc ohkcc hkocc khocc okhcc kohcc chcko hccko cchko cchko hccko chcko chkco hckco ckhco kchco hkcco khcco cckho cckho ckcho kccho ckcho kccho hckco chkco hkcco khcco ckhco kchco cockh occkh ccokh ccokh occkh cockh cokch ockch ckoch kcoch okcch kocch cckoh cckoh ckcoh kccoh ckcoh kccoh ockch cokch okcch kocch ckoch kcoch hockc ohckc hcokc chokc ochkc cohkc hokcc ohkcc hkocc khocc okhcc kohcc hckoc chkoc hkcoc khcoc ckhoc kchoc ockhc cokhc okchc kochc ckohc kcohc
Note: these 'words' (valid or invalid) are all the permutations of the word chock. These words are obtained by scrambling the letters in chock.