vugs uvgs vgus gvus ugvs guvs vusg uvsg vsug svug usvg suvg vgsu gvsu vsgu svgu gsvu sgvu ugsv gusv usgv sugv gsuv sguv
Note: these 'words' (valid or invalid) are all the permutations of the word vugs. These words are obtained by scrambling the letters in vugs.