a-ii aaaa aaac aaai aaca aacc aaci aaco aact aaic aaii aaoo aata aatc aatt ac-t acaa acac acai acat acca accc acci acco acct aci- acia acic acoa acot acta actc acti acto actt aiai aica aicc aiia aiic aioc aioi aita aiti aitt aixa aixi aoca aotc at-t at-x ataa atac atai atat atax atca atcc atco atia atic atit atoc atoi atot atta atti atto axat axi- axia axo- axoa axto axxo caaa caac caat cac- caca cacc caci caco caia caic caio cait caix caoi cat- cata catc cati cato catt caxa ccaa ccac ccai ccat ccca cccc ccci ccic ccii ccix ccoc cctc cctt ccxi ciaa ciao ciat cica cicc cici cico cict ciia ciii ciit cita citi cito citt cixi coai coat coax coca coco coct coia coit coix coot cota cotc coti coto cott coxa ctca ctia ctic ctot ctta cxii cxix cxxi cxxx iaaa iaac iaai iaat iaca iacc iact iaia iata iatc iati icaa icac icai icao icat icca iccc icci icco icct icoc icta iiac iica iiii iiio iiit iioi iioo iita iitt ioci ioii ioio ioit iooi iooo iota ioto itaa itac itai itat itia itic itoi itoo itta itto ixia ixxi oaic ocac ocat occa occc occi occt oct- octa octi octo oici oiii oita oitc oiti ooaa ooia oooo otac otic otit oto- otoo otta otti otto oxa- oxi- oxia oxic oxo- oxox oxxo taa- taat taca tacc taci taco tact taia taio tait taix taoa tata tati tato tatt tax- taxa taxi taxo taxt tcca tccc tctc tiaa tiao tiax tica ticc tico tiit tita titc titi tito titt tixt toat toca toci toco toit tooa toot tota totc toti toto tott tox- toxa toxi toxo toxt tttt txaa txii xact xait xcat xcii xiao xica xico xiii xita xito xixi xoca xoco xoxo xxii xxix xxxi xxxo xxxx