a-ak a-ok a-ya a-yo aaaa aaac aaca aacc aack aaco aacy aaka aaoo acaa acac acca accc acco accy acoa acoy akaa akao akay akca akka akko akok aoca ay-o ayao ayay ayca ayoo ayya caaa caac cac- caca cacc cack caco caka caky cayo ccaa ccac ccca cccc ccoc ckac ckck ckco ckcy ckoa ckoc ckoo ckoy coak coca cock coco cok- coka coko coky cook coya coyo cya- cyaa cyc- cyca cycc cyoa cyy- cyyc kaaa kaak kaay kacc kaco kacy kaka kakc kakk kako kaoa kaoc kaok kaya kayo kcaa kcac kcca kccc kcck kccy kckc kckk kcko kcky kcya kcyk kcyy kkaa kkac kkay kkck kkco kkcy kkkk kkoa kkoo kkoy kkya kkyc kkyy koac koak koay koca kock koka kokc kokk koko koky kooc kook kooo koya koyo koyy kyaa kyak kyay kyca kycc kyck kyka kykc kykk kyky kyok kyoo kyoy kyya kyyk kyyo kyyy oaky ocac ocak occa occc okak okay okka okko okok okyo ooaa ooak ooky oooo oyak yaak yacc yack yaco yacy yaka yako yaya yayo ycao yccc ykko yoak yock yoko yoky yook yoyo yyyy