paxe apxe pxae xpae axpe xape paex apex peax epax aepx eapx pxea xpea pexa epxa xepa expa axep xaep aexp eaxp xeap exap
Note: these 'words' (valid or invalid) are all the permutations of the word paxe. These words are obtained by scrambling the letters in paxe.