a-a aaa aao aar aas aau aay aoa aoo aor aos aou ar- ara aro arr ars aru ary as- asa aso asr ass asu asy au- aua auo aur aus ay- aya ayo ayr ays ayu oaa oao oar oas oau oo- ooa ooo oor oos or- ora oro orr ors oru ory os- osa oso osr oss osu ou- oua ouo our ous oya oyo oys ra- raa rao rar ras rau ray roa roo ror ros rou roy rra rrr rrs rru rsa rso rsr rss rsu rua ruo rur rus ruu ruy ry- rya ryo ryr rys ryu ryy saa sao sar sas sau say soa soo sor sos sou soy sr- sra sro srr srs sry ss- ssa sso ssr sss ssu sua suo sur sus suu suy sy- sya syr sys syu ua- uaa uao uar uas uau uay uoa uoo uor uos ur- ura uro urr urs uru ury usa uso usr uss usu uua uur uus uuu uyo uys uyu yaa yao yar yas yau yay yoo yor yos you yoy yra yro yrs yru ysa yso ysr yss ysu ysy yua yuo yur yus yuu yuy yys yyu yyy