choko hcoko cohko ochko hocko ohcko chkoo hckoo ckhoo kchoo hkcoo khcoo cokho ockho ckoho kcoho okcho kocho hokco ohkco hkoco khoco okhco kohco chook hcook cohok ochok hocok ohcok chook hcook cohok ochok hocok ohcok coohk ocohk coohk ocohk oochk oochk hoock ohock hoock ohock oohck oohck chkoo hckoo ckhoo kchoo hkcoo khcoo choko hcoko cohko ochko hocko ohcko ckoho kcoho cokho ockho kocho okcho hkoco khoco hokco ohkco kohco okhco cokoh ockoh ckooh kcooh okcoh kocoh cookh ocokh cookh ocokh oockh oockh ckooh kcooh cokoh ockoh kocoh okcoh okoch kooch ookch ookch kooch okoch hokoc ohkoc hkooc khooc okhoc kohoc hookc ohokc hookc ohokc oohkc oohkc hkooc khooc hokoc ohkoc kohoc okhoc okohc koohc ookhc ookhc koohc okohc
Note: these 'words' (valid or invalid) are all the permutations of the word choko. These words are obtained by scrambling the letters in choko.