nixes inxes nxies xnies ixnes xines niexs inexs neixs enixs ienxs einxs nxeis xneis nexis enxis xenis exnis ixens xiens iexns eixns xeins exins nixse inxse nxise xnise ixnse xinse nisxe insxe nsixe snixe isnxe sinxe nxsie xnsie nsxie snxie xsnie sxnie ixsne xisne isxne sixne xsine sxine niesx inesx neisx enisx iensx einsx nisex insex nsiex sniex isnex sinex nesix ensix nseix sneix esnix senix iesnx eisnx isenx sienx esinx seinx nxesi xnesi nexsi enxsi xensi exnsi nxsei xnsei nsxei snxei xsnei sxnei nesxi ensxi nsexi snexi esnxi senxi xesni exsni xseni sxeni esxni sexni ixesn xiesn iexsn eixsn xeisn exisn ixsen xisen isxen sixen xsien sxien iesxn eisxn isexn siexn esixn seixn xesin exsin xsein sxein esxin sexin
Note: these 'words' (valid or invalid) are all the permutations of the word nixes. These words are obtained by scrambling the letters in nixes.