-er -ey eee eek eem eeo eer eev eey eke eko ekr ekv eky em- eme emk emm emo emr emv eo- eoe eok eom eoo eor ere erk erm ero err erv ery eve evm evo evr evv evy eye eym eyo eyr ke- kee kek kem keo ker kev key kke kkk kkm kkr kkv kky kme kmk kmm kmo koe kok kom koo kor koy krk kro krr krv kry kvk kvm kvo kvr kvv kye kym kyo kyr m-o m-r m-v mee mek mem meo mer mev mey mke mkk mkm mko mkr mkv mky mme mmk mmm mmo mmr mmv moe mok mom moo mor mov moy mre mrk mrm mro mrr mrv mry mve mvm mvo mvr mvv mvy my- mye myk mym myo myr myv oee oem oeo oer oey oke okk oko okr om- ome omm omo omr omv omy oo- ook oom ooo oor oov or- ore ork orm oro orr orv ory ov- ove ovo ovv oye oyo re- ree rek rem reo rer rev rey rke rkk rkm rko rkv rky rme rmm rmo rmr rmv roe rok rom roo ror rov roy rrk rrm rrr rve rvm rvo rvr rvv rvy ry- rye ryk rym ryo ryr ryy v-e vee vek vem veo ver vey vkm vm- vmm vmo vmr voe vok vom voo vor vov voy vre vrk vrm vrr vry vvm vvo vvr vvv vye vym yee yek yem yeo yer yev yey ykk ykm yme ymm ymo yoe yok yom yoo yor yoy yre yro yve yvo yvr yvy yye yyy