a-a aaa aao aar aau aay aoa aoo aor aou ar- ara aro arr aru ary au- aua auo aur ay- aya ayo ayr ayu oaa oao oar oau oo- ooa ooo oor or- ora oro orr oru ory ou- oua ouo our oya oyo ra- raa rao rar rau ray roa roo ror rou roy rra rrr rru rua ruo rur ruu ruy ry- rya ryo ryr ryu ryy ua- uaa uao uar uau uay uoa uoo uor ur- ura uro urr uru ury uua uur uuu uyo uyu yaa yao yar yau yay yoo yor you yoy yra yro yru yua yuo yur yuu yuy yyu yyy