-er -ey eee eef eek eem eeo eer ees eev eey ef- efe eff efm efo efr efs eke ekf eko ekr eks ekv eky em- eme emf emk emm emo emr ems emv eo- eoe eof eok eom eoo eor eos ere erf erk erm ero err ers erv ery es- ese esf esk esm eso esr ess esv esy eve evf evm evo evr evs evv evy eye eym eyo eyr eys fee fef fek fem feo fer fes fev fey ffe fff ffk ffm ffo ffr ffs ffv ffy fkf fkk fkm fme fmf fmm fmo fmr fms fmv foe fof fok fom foo for fos foy fre frf frk frm fro frr frs fry fse fsf fsk fsm fso fsr fss fsv fvk fy- fye fyk fyo ke- kee kef kek kem keo ker kes kev key kff kfm kfo kfs kke kkk kkm kkr kks kkv kky kme kmf kmk kmm kmo kms koe kof kok kom koo kor kos koy krf krk kro krr krs krv kry kse ksf ksk ksm kso ksr kss ksv kvk kvm kvo kvr kvs kvv kye kym kyo kyr kys m-f m-o m-r m-v mee mef mek mem meo mer mes mev mey mfe mff mfm mfo mfr mfs mfv mfy mke mkk mkm mko mkr mks mkv mky mme mmf mmk mmm mmo mmr mms mmv moe mof mok mom moo mor mos mov moy mre mrf mrk mrm mro mrr mrs mrv mry mse msf msk msm mso msr mss msv msy mve mvf mvm mvo mvr mvs mvv mvy my- mye myf myk mym myo myr mys myv oee oef oem oeo oer oes oey of- ofe off ofm ofo ofr ofs ofv oke okk oko okr oks om- ome omf omm omo omr oms omv omy oo- oof ook oom ooo oor oos oov or- ore orf ork orm oro orr ors orv ory os- ose osf osk osm oso osr oss osv ov- ove ovf ovo ovs ovv oye oyo oys re- ree ref rek rem reo rer res rev rey rfe rff rfk rfm rfo rfr rfs rfv rke rkf rkk rkm rko rks rkv rky rme rmf rmm rmo rmr rms rmv roe rof rok rom roo ror ros rov roy rrf rrk rrm rrr rrs rse rsf rsk rsm rso rsr rss rsv rve rvf rvm rvo rvr rvs rvv rvy ry- rye ryf ryk rym ryo ryr rys ryy se- see sef sek sem seo ser ses sev sey sfe sff sfk sfm sfo sfr sfs sfv sk- ske skf skk skm sko skr sks sky sme smf smk smm smo smr sms smv smy soe sof sok som soo sor sos sov soy sr- sre srf srk srm sro srr srs srv sry ss- sse ssf ssk ssm sso ssr sss ssv sve svf svk svm svo svr svs svv svy sy- sye syk sym syr sys v-e vee vef vek vem veo ver ves vey vff vfm vfr vfs vfv vkm vm- vmf vmm vmo vmr voe vof vok vom voo vor vos vov voy vre vrf vrk vrm vrr vrs vry vse vsf vsk vsm vso vsr vss vsv vvm vvo vvr vvs vvv vye vyf vym yee yef yek yem yeo yer yes yev yey yfe yff yfm yfr yfs ykk ykm yme ymm ymo yms yoe yof yok yom yoo yor yos yoy yre yrf yro yrs yse ysk ysm yso ysr yss ysy yve yvo yvr yvy yye yyf yys yyy