uchh cuhh uhch huch chuh hcuh uchh cuhh uhch huch chuh hcuh uhhc huhc uhhc huhc hhuc hhuc chhu hchu chhu hchu hhcu hhcu
Note: these 'words' (valid or invalid) are all the permutations of the word uchh. These words are obtained by scrambling the letters in uchh.