vugh uvgh vguh gvuh ugvh guvh vuhg uvhg vhug hvug uhvg huvg vghu gvhu vhgu hvgu ghvu hgvu ughv guhv uhgv hugv ghuv hguv
Note: these 'words' (valid or invalid) are all the permutations of the word vugh. These words are obtained by scrambling the letters in vugh.