iii iim iio iir im- imi imm imo imy io- ioi iom ioo ior ir- iri irm iro irr iry iym iyo iyr iyy m-o m-r mi- mii mim mio mir miy mmi mmm mmo mmr moi mom moo mor moy mri mrm mro mrr mry my- mym myo myr o-i oii oim oio oir om- omi omm omo omr omy oo- ooi oom ooo oor or- ori orm oro orr ory oyi oyo rii rim rio rir riy rmi rmm rmo rmr roi rom roo ror roy rri rrm rrr ry- rym ryo ryr ryy yii yim yio yir ymi ymm ymo yoi yom yoo yor yoy yro yyy