-er -ol eee eef eek eel eem eeo eer ef- efe eff efi efl efm efo efr eie eif eii eik eil eim eio eir eke ekf eki ekl eko ekr ele elf eli elk ell elm elo elr em- eme emf emi emk eml emm emo emr eo- eoe eof eoi eok eol eom eoo eor ere erf eri erk erl erm ero err fee fef fei fek fel fem feo fer ffe fff ffi ffk ffl ffm ffo ffr fie fif fii fik fil fim fir fkf fki fkk fkl fkm fle flf fli fll flm flo flr fme fmf fmi fml fmm fmo fmr foe fof foi fok fol fom foo for fre frf fri frk frl frm fro frr i-f ie- iee ief iei iek iel iem ier ife iff ifi ifl ifm ifo ifr iie iif iii iil iim iio iir ike ikf iki ikk ikl iko ikr il- ile ilf ili ilk ill ilm ilo ilr im- ime imf imi iml imm imo io- ioe iof ioi iol iom ioo ior ir- ire irf iri irk irl irm iro irr ke- kee kef kei kek kel kem keo ker kff kfi kfm kfo kie kif kii kik kil kim kio kir kke kki kkk kkl kkm kkr kl- klf kli klm klo klr kme kmf kmi kmk kml kmm kmo koe kof koi kok kol kom koo kor krf kri krk krl kro krr lee lef lei lek lel lem leo ler lfe lff lfi lfk lfl lfm lfo lfr lie lif lii lik lil lim lio lir lkl lkr lle llf lli llk lll llm llo llr lme lmf lmi lmk lml lmm lmo lmr loe lof loi lok lol lom loo lor lrf lri lrk lrm lro lrr m-f m-o m-r mee mef mei mek mel mem meo mer mfe mff mfi mfl mfm mfo mfr mi- mie mif mii mik mil mim mio mir mke mkk mkl mkm mko mkr mle mlf mli mlk mll mlm mlo mlr mme mmf mmi mmk mml mmm mmo mmr moe mof moi mok mol mom moo mor mre mrf mri mrk mrl mrm mro mrr o-i oee oef oei oel oem oeo oer of- ofe off ofi ofl ofm ofo ofr oie oif oii oik oil oim oio oir oke oki okk okl oko okr ole olf oli olk oll olm olo om- ome omf omi oml omm omo omr oo- oof ooi ook ool oom ooo oor or- ore orf ori ork orl orm oro orr re- ree ref rei rek rel rem reo rer rfe rff rfi rfk rfl rfm rfo rfr rie rif rii rik ril rim rio rir rke rkf rkk rkm rko rle rlf rli rll rlm rlo rlr rme rmf rmi rml rmm rmo rmr roe rof roi rok rol rom roo ror rrf rri rrk rrl rrm rrr