iii iim iio iir iis iki ikk iko ikr iks im- imi imm imo ims io- ioi iom ioo ior ios ir- iri irk irm iro irr irs is- isi isk ism iso isr iss kii kik kim kio kir kis kki kkk kkm kkr kks kmi kmk kmm kmo kms koi kok kom koo kor kos kri krk kro krr krs ksi ksk ksm kso ksr kss m-o m-r mi- mii mik mim mio mir mis mkk mkm mko mkr mks mmi mmk mmm mmo mmr mms moi mok mom moo mor mos mri mrk mrm mro mrr mrs msi msk msm mso msr mss o-i oii oik oim oio oir ois oki okk oko okr oks om- omi omm omo omr oms oo- ooi ook oom ooo oor oos or- ori ork orm oro orr ors os- osi osk osm oso osr oss rii rik rim rio rir ris rkk rkm rko rks rmi rmm rmo rmr rms roi rok rom roo ror ros rri rrk rrm rrr rrs rsi rsk rsm rso rsr rss sii sik sim sio sir sis sk- ski skk skm sko skr sks smi smk smm smo smr sms soi sok som soo sor sos sr- sri srk srm sro srr srs ss- ssi ssk ssm sso ssr sss