a-a aaa aao aar aas aay aoa aoo aor aos ar- ara aro arr ars ary as- asa aso asr ass asy ay- aya ayo ayr ays oaa oao oar oas oo- ooa ooo oor oos or- ora oro orr ors ory os- osa oso osr oss oya oyo oys ra- raa rao rar ras ray roa roo ror ros roy rra rrr rrs rsa rso rsr rss ry- rya ryo ryr rys ryy saa sao sar sas say soa soo sor sos soy sr- sra sro srr srs sry ss- ssa sso ssr sss sy- sya syr sys yaa yao yar yas yay yoo yor yos yoy yra yro yrs ysa yso ysr yss ysy yys yyy