piggy ipggy pgigy gpigy igpgy gipgy piggy ipggy pgigy gpigy igpgy gipgy pggiy gpgiy pggiy gpgiy ggpiy ggpiy iggpy gigpy iggpy gigpy ggipy ggipy pigyg ipgyg pgiyg gpiyg igpyg gipyg piygg ipygg pyigg ypigg iypgg yipgg pgyig gpyig pygig ypgig gypig ygpig igypg giypg iygpg yigpg gyipg ygipg pigyg ipgyg pgiyg gpiyg igpyg gipyg piygg ipygg pyigg ypigg iypgg yipgg pgyig gpyig pygig ypgig gypig ygpig igypg giypg iygpg yigpg gyipg ygipg pggyi gpgyi pggyi gpgyi ggpyi ggpyi pgygi gpygi pyggi ypggi gypgi ygpgi pgygi gpygi pyggi ypggi gypgi ygpgi ggypi ggypi gygpi yggpi gygpi yggpi iggyp gigyp iggyp gigyp ggiyp ggiyp igygp giygp iyggp yiggp gyigp ygigp igygp giygp iyggp yiggp gyigp ygigp ggyip ggyip gygip yggip gygip yggip
Note: these 'words' (valid or invalid) are all the permutations of the word piggy. These words are obtained by scrambling the letters in piggy.