falx aflx flax lfax alfx lafx faxl afxl fxal xfal axfl xafl flxa lfxa fxla xfla lxfa xlfa alxf laxf axlf xalf lxaf xlaf
Note: these 'words' (valid or invalid) are all the permutations of the word falx. These words are obtained by scrambling the letters in falx.