xpaus pxaus xapus axpus paxus apxus xpuas pxuas xupas uxpas puxas upxas xaups axups xuaps uxaps auxps uaxps pauxs apuxs puaxs upaxs aupxs uapxs xpasu pxasu xapsu axpsu paxsu apxsu xpsau pxsau xspau sxpau psxau spxau xaspu axspu xsapu sxapu asxpu saxpu pasxu apsxu psaxu spaxu aspxu sapxu xpusa pxusa xupsa uxpsa puxsa upxsa xpsua pxsua xspua sxpua psxua spxua xuspa uxspa xsupa sxupa usxpa suxpa pusxa upsxa psuxa spuxa uspxa supxa xausp axusp xuasp uxasp auxsp uaxsp xasup axsup xsaup sxaup asxup saxup xusap uxsap xsuap sxuap usxap suxap ausxp uasxp asuxp sauxp usaxp suaxp pausx apusx puasx upasx aupsx uapsx pasux apsux psaux spaux aspux sapux pusax upsax psuax spuax uspax supax auspx uaspx asupx saupx usapx suapx
Note: these 'words' (valid or invalid) are all the permutations of the word xpaus. These words are obtained by scrambling the letters in xpaus.