-er -ey eee eef eek eem een eeo eer eey ef- efe eff efm efo efr eke ekf eko ekr eky em- eme emf emk emm emn emo emr en- ene enf enk enm enn eno enr eny eo- eoe eof eok eom eon eoo eor ere erf erk erm ern ero err ery eye eym eyn eyo eyr fee fef fek fem fen feo fer fey ffe fff ffk ffm ffn ffo ffr ffy fkf fkk fkm fme fmf fmm fmn fmo fmr fne fnf fnk fnm fnn fnr foe fof fok fom fon foo for foy fre frf frk frm frn fro frr fry fy- fye fyk fyn fyo ke- kee kef kek kem ken keo ker key kff kfm kfo kke kkk kkm kkn kkr kky kme kmf kmk kmm kmo kn- kne knf knk knm knn kno knr koe kof kok kom kon koo kor koy krf krk krn kro krr kry kye kym kyn kyo kyr m-f m-o m-r mee mef mek mem men meo mer mey mfe mff mfm mfn mfo mfr mfy mke mkk mkm mkn mko mkr mky mme mmf mmk mmm mmn mmo mmr mne mnf mnk mnm mnn mno mnr moe mof mok mom mon moo mor moy mre mrf mrk mrm mrn mro mrr mry my- mye myf myk mym myn myo myr ne- nee nef nek nem nen neo ner ney nfe nff nfk nfn nfo nfr nke nkf nkk nkm nkn nko nkr nky nme nmk nmm nmn nmo nmr nne nnf nnk nnm nnn nno no- noe nof nok nom non noo nor noy nre nrf nrk nrm nrn nro nrr nry nye nyf nyk nym nyn nyo nyy oee oef oem oen oeo oer oey of- ofe off ofm ofn ofo ofr oke okk oko okr om- ome omf omm omn omo omr omy on- one onf onk onn ono onr ony oo- oof ook oom oon ooo oor or- ore orf ork orm orn oro orr ory oye oyo re- ree ref rek rem ren reo rer rey rfe rff rfk rfm rfn rfo rfr rke rkf rkk rkm rko rky rme rmf rmm rmn rmo rmr rnm rnn rno rnr rny roe rof rok rom ron roo ror roy rrf rrk rrm rrn rrr ry- rye ryf ryk rym ryn ryo ryr ryy yee yef yek yem yen yeo yer yey yfe yff yfm yfr ykk ykm ykn yme ymm ymo yne ynk ynn yny yoe yof yok yom yon yoo yor yoy yre yrf yrn yro yye yyf yyy