a-a a-i aaa aaf aai aao aar aay af- afa aff afi afo afr afy ai- aia aif aii aio air aiy aoa aof aoi aoo aor ar- ara arf ari aro arr ary ay- aya ayf ayi ayo ayr faa faf fai fao far fay ffa fff ffi ffo ffr ffy fia fif fii fir foa fof foi foo for foy fra frf fri fro frr fry fy- fya fyi fyo i-f ia- iaa iaf iai iao iar ifa iff ifi ifo ifr ify iia iif iii iio iir io- ioa iof ioi ioo ior ir- ira irf iri iro irr iry iya iyo iyr iyy o-i oaa oaf oai oao oar of- ofa off ofi ofo ofr oia oif oii oio oir oo- ooa oof ooi ooo oor or- ora orf ori oro orr ory oya oyi oyo ra- raa raf rai rao rar ray rfa rff rfi rfo rfr ria rif rii rio rir riy roa rof roi roo ror roy rra rrf rri rrr ry- rya ryf ryo ryr ryy yaa yaf yai yao yar yay yfa yff yfr yif yii yio yir yof yoi yoo yor yoy yra yrf yro yyf yyy