-er eee eef eeg eel een eep eer ees ef- efe eff efg efi efl efp efr efs ege egf egg egi egl egn egp egr egs eie eif eig eii eil ein eip eir eis ele elf elg eli ell eln elp elr els en- ene enf eng eni enl enn enp enr ens ep- epe epf epg epi epl epn epp epr eps ere erf erg eri erl ern erp err ers es- ese esf esg esi esl esn esp esr ess fee fef feg fei fel fen fep fer fes ffe fff ffg ffi ffl ffn ffp ffr ffs fge fgf fgg fgi fgl fgn fgp fgr fgs fie fif fig fii fil fin fip fir fis fle flf flg fli fll fln flp flr fls fne fnf fng fni fnl fnn fnp fnr fns fpe fpg fpi fpl fpn fpp fpr fps fre frf frg fri frl frn frp frr frs fse fsf fsg fsi fsl fsn fsp fsr fss g-p ge- gee gef geg gei gel gen gep ger ges gfe gff gfi gfl gfp gfr gfs ggg ggi ggn ggp ggr ggs gie gif gig gii gil gin gip gir gis gle glf glg gli gll gln glp glr gls gne gnf gni gnl gnn gnp gnr gns gpe gpf gpg gpi gpl gpn gpp gpr gps gre grf grg gri grl grn grp grr grs gse gsf gsg gsi gsl gsn gsp gsr gss i-f ie- iee ief ieg iei iel ien iep ier ies ife iff ifg ifi ifl ifn ifp ifr ifs ige igf igg igi igl ign igp igr igs iie iif iii iil iin iip iir iis il- ile ilf ilg ili ill iln ilp ilr ils in- ine inf ing ini inl inn inp inr ins ipe ipf ipg ipi ipl ipn ipp ipr ips ir- ire irf irg iri irl irn irp irr irs is- ise isf isg isi isl isn isp isr iss l-p lee lef leg lei lel len lep ler les lfe lff lfg lfi lfl lfn lfp lfr lfs lge lgf lgg lgi lgl lgn lgp lgr lgs lie lif lig lii lil lin lip lir lis lle llf llg lli lll lln llp llr lls lne lng lni lnl lnn lnp lnr lns lpe lpf lpg lpi lpl lpn lpp lpr lps lrf lrg lri lrn lrp lrr lrs lse lsf lsg lsi lsl lsn lsp lsr lss n-i ne- nee nef neg nei nel nen nep ner nes nfe nff nfi nfl nfn nfp nfr nfs nge ngf ngg ngi ngl ngn ngp ngs nie nif nig nii nil nin nip nir nis nle nlf nlg nli nll nln nlp nlr nls nne nnf nng nni nnl nnn nnp nns npe npf npg npi npl npn npp npr nps nre nrf nrg nri nrl nrn nrp nrr nrs nse nsf nsg nsi nsl nsn nsp nsr nss p-p pee pef peg pei pel pen pep per pes pfe pff pfg pfi pfl pfn pfp pfr pfs pge pgf pgg pgi pgl pgn pgp pgr pgs pie pif pig pii pil pin pip pir pis ple plf plg pli pll pln plp plr pls pn- pne pnf png pni pnl pnn pnp pnr pns ppe ppf ppg ppi ppl ppn ppp ppr pps pre prf prg pri prl prn prp prr prs ps- pse psf psg psi psl psn psp psr pss re- ree ref reg rei rel ren rep rer res rfe rff rfg rfi rfl rfn rfp rfr rfs rge rgf rgg rgi rgn rgp rgr rgs rie rif rig rii ril rin rip rir ris rle rlf rlg rli rll rln rlp rlr rls rng rni rnn rnp rnr rns rpe rpf rpg rpi rpl rpn rpp rpr rps rrf rrg rri rrl rrn rrp rrr rrs rse rsf rsg rsi rsl rsn rsp rsr rss se- see sef seg sei sel sen sep ser ses sfe sff sfg sfi sfl sfn sfp sfr sfs sge sgf sgg sgi sgl sgn sgp sgr sgs sie sif sig sii sil sin sip sir sis sle slf slg sli sll sln slp slr sls sne snf sng sni snl snn snp snr sns spe spf spg spi spl spn spp spr sps sr- sre srf srg sri srl srn srp srr srs ss- sse ssf ssg ssi ssl ssn ssp ssr sss