gypp ygpp gpyp pgyp ypgp pygp gypp ygpp gpyp pgyp ypgp pygp gppy pgpy gppy pgpy ppgy ppgy yppg pypg yppg pypg ppyg ppyg
Note: these 'words' (valid or invalid) are all the permutations of the word gypp. These words are obtained by scrambling the letters in gypp.