-er eee eef eeg eel een eer ees ef- efe eff efg efl efr efs ege egf egg egl egn egr egs ele elf elg ell eln elr els en- ene enf eng enl enn enr ens ere erf erg erl ern err ers es- ese esf esg esl esn esr ess fee fef feg fel fen fer fes ffe fff ffg ffl ffn ffr ffs fge fgf fgg fgl fgn fgr fgs fle flf flg fll fln flr fls fne fnf fng fnl fnn fnr fns fre frf frg frl frn frr frs fse fsf fsg fsl fsn fsr fss ge- gee gef geg gel gen ger ges gfe gff gfl gfr gfs ggg ggn ggr ggs gle glf glg gll gln glr gls gne gnf gnl gnn gnr gns gre grf grg grl grn grr grs gse gsf gsg gsl gsn gsr gss lee lef leg lel len ler les lfe lff lfg lfl lfn lfr lfs lge lgf lgg lgl lgn lgr lgs lle llf llg lll lln llr lls lne lng lnl lnn lnr lns lrf lrg lrn lrr lrs lse lsf lsg lsl lsn lsr lss ne- nee nef neg nel nen ner nes nfe nff nfl nfn nfr nfs nge ngf ngg ngl ngn ngs nle nlf nlg nll nln nlr nls nne nnf nng nnl nnn nns nre nrf nrg nrl nrn nrr nrs nse nsf nsg nsl nsn nsr nss re- ree ref reg rel ren rer res rfe rff rfg rfl rfn rfr rfs rge rgf rgg rgn rgr rgs rle rlf rlg rll rln rlr rls rng rnn rnr rns rrf rrg rrl rrn rrr rrs rse rsf rsg rsl rsn rsr rss se- see sef seg sel sen ser ses sfe sff sfg sfl sfn sfr sfs sge sgf sgg sgl sgn sgr sgs sle slf slg sll sln slr sls sne snf sng snl snn snr sns sr- sre srf srg srl srn srr srs ss- sse ssf ssg ssl ssn ssr sss