xoph oxph xpoh pxoh opxh poxh xohp oxhp xhop hxop ohxp hoxp xpho pxho xhpo hxpo phxo hpxo ophx pohx ohpx hopx phox hpox
Note: these 'words' (valid or invalid) are all the permutations of the word xoph. These words are obtained by scrambling the letters in xoph.