a-a a-i aaa aai aao aas aay ai- aia aii aio ais aiy aoa aoi aoo aos as- asa asi aso ass asy ay- aya ayi ayo ays ia- iaa iai iao ias iia iii iio iis io- ioa ioi ioo ios is- isa isi iso iss isy iya iyo iys iyy o-i oaa oai oao oas oia oii oio ois oo- ooa ooi ooo oos os- osa osi oso oss oya oyi oyo oys saa sai sao sas say sia sii sio sis soa soi soo sos soy ss- ssa ssi sso sss sy- sya syi sys yaa yai yao yas yay yii yio yis yoi yoo yos yoy ysa ysi yso yss ysy yys yyy