-er -ey eee eek eem eeo eer ees eey eke eko ekr eks eky em- eme emk emm emo emr ems eo- eoe eok eom eoo eor eos ere erk erm ero err ers ery es- ese esk esm eso esr ess esy eye eym eyo eyr eys ke- kee kek kem keo ker kes key kke kkk kkm kkr kks kky kme kmk kmm kmo kms koe kok kom koo kor kos koy krk kro krr krs kry kse ksk ksm kso ksr kss kye kym kyo kyr kys m-o m-r mee mek mem meo mer mes mey mke mkk mkm mko mkr mks mky mme mmk mmm mmo mmr mms moe mok mom moo mor mos moy mre mrk mrm mro mrr mrs mry mse msk msm mso msr mss msy my- mye myk mym myo myr mys oee oem oeo oer oes oey oke okk oko okr oks om- ome omm omo omr oms omy oo- ook oom ooo oor oos or- ore ork orm oro orr ors ory os- ose osk osm oso osr oss oye oyo oys re- ree rek rem reo rer res rey rke rkk rkm rko rks rky rme rmm rmo rmr rms roe rok rom roo ror ros roy rrk rrm rrr rrs rse rsk rsm rso rsr rss ry- rye ryk rym ryo ryr rys ryy se- see sek sem seo ser ses sey sk- ske skk skm sko skr sks sky sme smk smm smo smr sms smy soe sok som soo sor sos soy sr- sre srk srm sro srr srs sry ss- sse ssk ssm sso ssr sss sy- sye syk sym syr sys yee yek yem yeo yer yes yey ykk ykm yme ymm ymo yms yoe yok yom yoo yor yos yoy yre yro yrs yse ysk ysm yso ysr yss ysy yye yys yyy