vugg uvgg vgug gvug ugvg guvg vugg uvgg vgug gvug ugvg guvg vggu gvgu vggu gvgu ggvu ggvu uggv gugv uggv gugv gguv gguv
Note: these 'words' (valid or invalid) are all the permutations of the word vugg. These words are obtained by scrambling the letters in vugg.