fuzz ufzz fzuz zfuz uzfz zufz fuzz ufzz fzuz zfuz uzfz zufz fzzu zfzu fzzu zfzu zzfu zzfu uzzf zuzf uzzf zuzf zzuf zzuf
Note: these 'words' (valid or invalid) are all the permutations of the word fuzz. These words are obtained by scrambling the letters in fuzz.