iii iim iio iir iki ikk iko ikr im- imi imm imo io- ioi iom ioo ior ir- iri irk irm iro irr kii kik kim kio kir kki kkk kkm kkr kmi kmk kmm kmo koi kok kom koo kor kri krk kro krr m-o m-r mi- mii mik mim mio mir mkk mkm mko mkr mmi mmk mmm mmo mmr moi mok mom moo mor mri mrk mrm mro mrr o-i oii oik oim oio oir oki okk oko okr om- omi omm omo omr oo- ooi ook oom ooo oor or- ori ork orm oro orr rii rik rim rio rir rkk rkm rko rmi rmm rmo rmr roi rok rom roo ror rri rrk rrm rrr