a-ya a-yo aaaa aaac aaca aacc aaco aact aacy aaoo aata aatc aatt ac-t acaa acac acat acca accc acco acct accy acoa acot acoy acta actc acto actt aoca aotc at-t ataa atac atat atay atca atcc atco atoc atot atoy atta atto atty atya ay-o ayao ayat ayay ayca ayoo ayot ayta ayto ayya caaa caac caat cac- caca cacc caco cat- cata catc cato catt caty cayo ccaa ccac ccat ccca cccc ccoc cctc cctt coat coca coco coct coot cota cotc coto cott coty coya coyo coyt ctca ctot ctta cya- cyaa cyc- cyca cycc cyoa cyt- cyta cyto cyy- cyyc oaty ocac ocat occa occc occt oct- octa octo octy ooaa oooo ooty otac otay oto- otoo otoy otta otto taa- taat taca tacc taco tact tacy taoa tata tato tatt taty taya tayo tayt tayy tcca tccc tctc to-y toat toay toca toco tooa toot tota totc toto tott toty toya toyo toyt ttoy tttt tyco tyta tyto tytt tyty yacc yaco yacy yata yaya yayo ycao ycat yccc yctc yoot yota yott yoyo ytay yyyy