a-a a-i aaa aai aao aar aay ai- aia aii aio air aiy aoa aoi aoo aor ar- ara ari aro arr ary ay- aya ayi ayo ayr ia- iaa iai iao iar iia iii iio iir io- ioa ioi ioo ior ir- ira iri iro irr iry iya iyo iyr iyy o-i oaa oai oao oar oia oii oio oir oo- ooa ooi ooo oor or- ora ori oro orr ory oya oyi oyo ra- raa rai rao rar ray ria rii rio rir riy roa roi roo ror roy rra rri rrr ry- rya ryo ryr ryy yaa yai yao yar yay yii yio yir yoi yoo yor yoy yra yro yyy