whiz hwiz wihz iwhz hiwz ihwz whzi hwzi wzhi zwhi hzwi zhwi wizh iwzh wzih zwih izwh ziwh hizw ihzw hziw zhiw izhw zihw
Note: these 'words' (valid or invalid) are all the permutations of the word whiz. These words are obtained by scrambling the letters in whiz.