a-a aaa aak aao aas aay aka akk ako aks aoa aok aoo aos as- asa ask aso ass asy ay- aya ayk ayo ays ka- kaa kak kao kas kay kkk kks kky koa kok koo kos koy ksa ksk kso kss kya kyo kys oaa oak oao oas oka okk oko oks oo- ooa ook ooo oos os- osa osk oso oss oya oyo oys saa sak sao sas say sk- ska skk sko sks sky soa sok soo sos soy ss- ssa ssk sso sss sy- sya syk sys yaa yak yao yas yay yka ykk yok yoo yos yoy ysa ysk yso yss ysy yys yyy