pigmy ipgmy pgimy gpimy igpmy gipmy pimgy ipmgy pmigy mpigy impgy mipgy pgmiy gpmiy pmgiy mpgiy gmpiy mgpiy igmpy gimpy imgpy migpy gmipy mgipy pigym ipgym pgiym gpiym igpym gipym piygm ipygm pyigm ypigm iypgm yipgm pgyim gpyim pygim ypgim gypim ygpim igypm giypm iygpm yigpm gyipm ygipm pimyg ipmyg pmiyg mpiyg impyg mipyg piymg ipymg pyimg ypimg iypmg yipmg pmyig mpyig pymig ypmig mypig ympig imypg miypg iympg yimpg myipg ymipg pgmyi gpmyi pmgyi mpgyi gmpyi mgpyi pgymi gpymi pygmi ypgmi gypmi ygpmi pmygi mpygi pymgi ypmgi mypgi ympgi gmypi mgypi gympi ygmpi mygpi ymgpi igmyp gimyp imgyp migyp gmiyp mgiyp igymp giymp iygmp yigmp gyimp ygimp imygp miygp iymgp yimgp myigp ymigp gmyip mgyip gymip ygmip mygip ymgip
Note: these 'words' (valid or invalid) are all the permutations of the word pigmy. These words are obtained by scrambling the letters in pigmy.