a-ya a-yo aaaa aaac aaae aaca aacc aace aaco aacy aaea aaec aaoe aaoo acaa acac acae acca accc acce acco accy ace- acea acec acey acoa acoe acoy aeac aoca aoce ay-o ayao ayay ayca ayce ayoo ayya caaa caac cac- caca cacc cace caco caec caye cayo ccaa ccac ccca cccc ccee ccoc ceac cec- ceca cece ceco ceec coca coce coco coya coyo cya- cyaa cyc- cyca cycc cyoa cyy- cyyc eaca eacc eaec ecaa ecac ecao ecca eccc ecce ecco eco- eeca eeea eeee eeoc eyec eyey o-eo ocac occa occc oce ocee oec- oeca oecc oeec oeya oeye oeyo ooaa oooo oyce oyee yacc yaco yacy yaya yayo ycao yccc ycee yeye yeyo yoye yoyo yyyy