a-a aaa aak aao aap aas aay aka akk ako akp aks aoa aok aoo aop aos ap- apa apk apo app aps apy as- asa ask aso asp ass asy ay- aya ayk ayo ayp ays ka- kaa kak kao kap kas kay kkk kkp kks kky koa kok koo kop kos koy kpa kpk kpo kpp kps ksa ksk kso ksp kss kya kyo kyp kys oaa oak oao oap oas oka okk oko okp oks oo- ooa ook ooo oop oos op- opa opk opo opp ops opy os- osa osk oso osp oss oya oyo oys p-p paa pak pao pap pas pay pka pko pkp pks pky poa pok poo pop pos poy ppa ppk ppo ppp pps ps- psa psk pso psp pss psy py- pya pyk pyo pys saa sak sao sap sas say sk- ska skk sko skp sks sky soa sok soo sop sos soy spa spk spo spp sps spy ss- ssa ssk sso ssp sss sy- sya syk syp sys yaa yak yao yap yas yay yka ykk yok yoo yop yos yoy ypa ypo yps ysa ysk yso ysp yss ysy yys yyy