poxa opxa pxoa xpoa oxpa xopa poax opax paox apox oapx aopx pxao xpao paxo apxo xapo axpo oxap xoap oaxp aoxp xaop axop
Note: these 'words' (valid or invalid) are all the permutations of the word poxa. These words are obtained by scrambling the letters in poxa.