a-ii a-ya aaaa aaac aaae aaaf aaai aaca aacc aace aacf aaci aacy aaea aaec aafa aafc aaff aafi aaic aaii acaa acac acae acai acca accc acce accf acci accy ace- acea acec acey acfc acfe acfi aci- acia acic acie acif aeac aeaf aeci afaa afca afcc afci afee affa affc affi affy afia afif afye aiai aica aicc aice aicf aiea aiee aiff aiia aiic aiye aiyf ayay ayca ayce ayie ayya caaa caac caaf cac- caca cacc cace caci caec caei cafa cafc cafe caff caia caic caye ccaa ccac ccaf ccai ccca cccc cccf ccci ccee ccfa ccfc ccff ccfi ccic ccii ceac cec- ceca cece ceci ceec cef- cefa cefc cfaa cfac cfae cfca cfcf cfcy cfia ciaa cica cicc cici ciee cifa cife ciff ciia ciii cya- cyaa cyc- cyca cycc cyfe cyfi cyy- cyyc eaaf eaca eacc eaec eaif ecaa ecac ecai ecca eccc ecce ecci ecef ecfa ecfc eeca eeea eeee eefa eefe efca effa effi effy efic efya eica eiec eiei eyec eyey eyfi faaa faac faca facc face facy fafa fafc fafe faff fafi faie faya faye fcca fccf fcic fcii feaf fece fefc fefe feff fefi feia feie ffcc ffee ffff ffii fiaa fiac fiaf fica ficc fice fiec fief fifa fifc fife fiff fifi fiii fyce fyfe fyfi iaaa iaac iaai iaca iacc iaea iaec iafc iafe iaff iaia iayc icaa icac icaf icai icca iccc iccf icci icea icec icee icef icey ieac iecc ieie ieya ifaa ifac ifae iffy ific iiac iica iifa iiie iiii iyai yaaf yacc yacy yafa yafc yafe yaff yaya yccc ycee ycie yeaf yefe yeff yeie yeii yeye yeyi yifa yiff yyfe yyff yyyy