a-do a-ya a-yo aaaa aaac aaad aaca aacc aacd aaco aacy aada aadc aaoo acaa acac acad acca accc accd acco accy acda acdc acoa acod acoy adaa adac adad adao aday adcc adda addc addd addo addy adoc adod adoo adox adya aoca axo- axoa axxo ay-o ayad ayao ayay ayca ayda ayod ayoo ayya c-cd caaa caac cac- caca cacc caco cada cadc cadd cado cady caod caxa caxy cayo ccaa ccac ccad ccca cccc ccdc ccoc ccod cdaa cdac cdad cdax cday cdda coad coax coca coco coda codd cody cood coxa coxy coya coyo cxxx cya- cyaa cyc- cyca cycc cyoa cyy- cyyc daad daca dada dado dady daya dayo dc-y dcca dccc dcxx dday dddd ddoc do-x doca doco dod- doda dodd dodo dody dood doxa doxy doya doyo dxcc dxco dxdc dxoc dxxx dya- dyac dyad dycd dydd dyo- dyoo dyxc dyxx dyxy ocac ocad occa occc odac odax oday odda oddd oddy odoo ooaa ooda oooo oxa- oxo- oxox oxxo oxy- oxyd oyda xado xdcc xoca xoco xoxo xoyo xxxo xxxx xxxy yacc yaco yacy yada yado yaxa yaya yayo ycao yccc ydad yday yoax yoda yodo yood yoyo yyyy