-er eee eef eeg eel eem een eer ees ef- efe eff efg efl efm efr efs ege egf egg egl egm egn egr egs ele elf elg ell elm eln elr els em- eme emf emg eml emm emn emr ems en- ene enf eng enl enm enn enr ens ere erf erg erl erm ern err ers es- ese esf esg esl esm esn esr ess fee fef feg fel fem fen fer fes ffe fff ffg ffl ffm ffn ffr ffs fge fgf fgg fgl fgm fgn fgr fgs fle flf flg fll flm fln flr fls fme fmf fmg fml fmm fmn fmr fms fne fnf fng fnl fnm fnn fnr fns fre frf frg frl frm frn frr frs fse fsf fsg fsl fsm fsn fsr fss ge- gee gef geg gel gem gen ger ges gfe gff gfl gfm gfr gfs ggg ggm ggn ggr ggs gle glf glg gll glm gln glr gls gme gmf gmg gml gmm gmn gmr gms gne gnf gnl gnm gnn gnr gns gre grf grg grl grm grn grr grs gse gsf gsg gsl gsm gsn gsr gss lee lef leg lel lem len ler les lfe lff lfg lfl lfm lfn lfr lfs lge lgf lgg lgl lgm lgn lgr lgs lle llf llg lll llm lln llr lls lme lmf lmg lml lmm lmn lmr lms lne lng lnl lnm lnn lnr lns lrf lrg lrm lrn lrr lrs lse lsf lsg lsl lsm lsn lsr lss m-f m-r mee mef meg mel mem men mer mes mfe mff mfg mfl mfm mfn mfr mfs mge mgf mgl mgm mgn mgr mgs mle mlf mlg mll mlm mln mlr mls mme mmf mmg mml mmm mmn mmr mms mne mnf mng mnl mnm mnn mnr mns mre mrf mrg mrl mrm mrn mrr mrs mse msf msg msl msm msn msr mss ne- nee nef neg nel nem nen ner nes nfe nff nfl nfn nfr nfs nge ngf ngg ngl ngm ngn ngs nle nlf nlg nll nlm nln nlr nls nme nmg nml nmm nmn nmr nms nne nnf nng nnl nnm nnn nns nre nrf nrg nrl nrm nrn nrr nrs nse nsf nsg nsl nsm nsn nsr nss re- ree ref reg rel rem ren rer res rfe rff rfg rfl rfm rfn rfr rfs rge rgf rgg rgn rgr rgs rle rlf rlg rll rlm rln rlr rls rme rmf rmg rml rmm rmn rmr rms rng rnm rnn rnr rns rrf rrg rrl rrm rrn rrr rrs rse rsf rsg rsl rsm rsn rsr rss se- see sef seg sel sem sen ser ses sfe sff sfg sfl sfm sfn sfr sfs sge sgf sgg sgl sgm sgn sgr sgs sle slf slg sll slm sln slr sls sme smf smg sml smm smn smr sms sne snf sng snl snm snn snr sns sr- sre srf srg srl srm srn srr srs ss- sse ssf ssg ssl ssm ssn ssr sss