hogh ohgh hgoh ghoh oghh gohh hohg ohhg hhog hhog ohhg hohg hgho ghho hhgo hhgo ghho hgho oghh gohh ohgh hogh ghoh hgoh
Note: these 'words' (valid or invalid) are all the permutations of the word hogh. These words are obtained by scrambling the letters in hogh.