twig wtig tiwg itwg witg iwtg twgi wtgi tgwi gtwi wgti gwti tigw itgw tgiw gtiw igtw gitw wigt iwgt wgit gwit igwt giwt
Note: these 'words' (valid or invalid) are all the permutations of the word twig. These words are obtained by scrambling the letters in twig.