fundy ufndy fnudy nfudy unfdy nufdy fudny ufdny fduny dfuny udfny dufny fnduy nfduy fdnuy dfnuy ndfuy dnfuy undfy nudfy udnfy dunfy ndufy dnufy funyd ufnyd fnuyd nfuyd unfyd nufyd fuynd ufynd fyund yfund uyfnd yufnd fnyud nfyud fynud yfnud nyfud ynfud unyfd nuyfd uynfd yunfd nyufd ynufd fudyn ufdyn fduyn dfuyn udfyn dufyn fuydn ufydn fyudn yfudn uyfdn yufdn fdyun dfyun fydun yfdun dyfun ydfun udyfn duyfn uydfn yudfn dyufn ydufn fndyu nfdyu fdnyu dfnyu ndfyu dnfyu fnydu nfydu fyndu yfndu nyfdu ynfdu fdynu dfynu fydnu yfdnu dyfnu ydfnu ndyfu dnyfu nydfu yndfu dynfu ydnfu undyf nudyf udnyf dunyf nduyf dnuyf unydf nuydf uyndf yundf nyudf ynudf udynf duynf uydnf yudnf dyunf ydunf ndyuf dnyuf nyduf ynduf dynuf ydnuf
Note: these 'words' (valid or invalid) are all the permutations of the word fundy. These words are obtained by scrambling the letters in fundy.