cautl acutl cuatl ucatl auctl uactl catul actul ctaul tcaul atcul tacul cutal uctal ctual tcual utcal tucal autcl uatcl atucl taucl utacl tuacl cault acult cualt ucalt auclt uaclt calut aclut claut lcaut alcut lacut culat uclat cluat lcuat ulcat lucat aulct ualct aluct lauct ulact luact catlu actlu ctalu tcalu atclu taclu caltu acltu clatu lcatu alctu lactu ctlau tclau cltau lctau tlcau ltcau atlcu talcu altcu latcu tlacu ltacu cutla uctla ctula tcula utcla tucla culta uclta cluta lcuta ulcta lucta ctlua tclua cltua lctua tlcua ltcua utlca tulca ultca lutca tluca ltuca autlc uatlc atulc taulc utalc tualc aultc ualtc alutc lautc ulatc luatc atluc taluc altuc latuc tlauc ltauc utlac tulac ultac lutac tluac ltuac
Note: these 'words' (valid or invalid) are all the permutations of the word cautl. These words are obtained by scrambling the letters in cautl.