i-v iii iim iio iis iki ikk iko iks ikv im- imi imm imo ims imv io- ioi iom ioo ios iov is- isi isk ism iso iss isv ivi ivo ivs ivv kii kik kim kio kis kiv kki kkk kkm kks kkv kmi kmk kmm kmo kms koi kok kom koo kos ksi ksk ksm kso kss ksv kvi kvk kvm kvo kvs kvv m-o m-v mi- mii mik mim mio mis miv mkk mkm mko mks mkv mmi mmk mmm mmo mms mmv moi mok mom moo mos mov msi msk msm mso mss msv mvi mvm mvo mvs mvv o-i oii oik oim oio ois oiv oki okk oko oks om- omi omm omo oms omv oo- ooi ook oom ooo oos oov os- osi osk osm oso oss osv ov- ovi ovo ovs ovv sii sik sim sio sis siv sk- ski skk skm sko sks smi smk smm smo sms smv soi sok som soo sos sov ss- ssi ssk ssm sso sss ssv svi svk svm svo svs svv vi- vii vik vim vio vis viv vkm vm- vmi vmm vmo voi vok vom voo vos vov vsi vsk vsm vso vss vsv vvi vvm vvo vvs vvv