-er eee eef eeg een eep eer ees ef- efe eff efg efi efp efr efs ege egf egg egi egn egp egr egs eie eif eig eii ein eip eir eis en- ene enf eng eni enn enp enr ens ep- epe epf epg epi epn epp epr eps ere erf erg eri ern erp err ers es- ese esf esg esi esn esp esr ess fee fef feg fei fen fep fer fes ffe fff ffg ffi ffn ffp ffr ffs fge fgf fgg fgi fgn fgp fgr fgs fie fif fig fii fin fip fir fis fne fnf fng fni fnn fnp fnr fns fpe fpg fpi fpn fpp fpr fps fre frf frg fri frn frp frr frs fse fsf fsg fsi fsn fsp fsr fss g-p ge- gee gef geg gei gen gep ger ges gfe gff gfi gfp gfr gfs ggg ggi ggn ggp ggr ggs gie gif gig gii gin gip gir gis gne gnf gni gnn gnp gnr gns gpe gpf gpg gpi gpn gpp gpr gps gre grf grg gri grn grp grr grs gse gsf gsg gsi gsn gsp gsr gss i-f ie- iee ief ieg iei ien iep ier ies ife iff ifg ifi ifn ifp ifr ifs ige igf igg igi ign igp igr igs iie iif iii iin iip iir iis in- ine inf ing ini inn inp inr ins ipe ipf ipg ipi ipn ipp ipr ips ir- ire irf irg iri irn irp irr irs is- ise isf isg isi isn isp isr iss n-i ne- nee nef neg nei nen nep ner nes nfe nff nfi nfn nfp nfr nfs nge ngf ngg ngi ngn ngp ngs nie nif nig nii nin nip nir nis nne nnf nng nni nnn nnp nns npe npf npg npi npn npp npr nps nre nrf nrg nri nrn nrp nrr nrs nse nsf nsg nsi nsn nsp nsr nss p-p pee pef peg pei pen pep per pes pfe pff pfg pfi pfn pfp pfr pfs pge pgf pgg pgi pgn pgp pgr pgs pie pif pig pii pin pip pir pis pn- pne pnf png pni pnn pnp pnr pns ppe ppf ppg ppi ppn ppp ppr pps pre prf prg pri prn prp prr prs ps- pse psf psg psi psn psp psr pss re- ree ref reg rei ren rep rer res rfe rff rfg rfi rfn rfp rfr rfs rge rgf rgg rgi rgn rgp rgr rgs rie rif rig rii rin rip rir ris rng rni rnn rnp rnr rns rpe rpf rpg rpi rpn rpp rpr rps rrf rrg rri rrn rrp rrr rrs rse rsf rsg rsi rsn rsp rsr rss se- see sef seg sei sen sep ser ses sfe sff sfg sfi sfn sfp sfr sfs sge sgf sgg sgi sgn sgp sgr sgs sie sif sig sii sin sip sir sis sne snf sng sni snn snp snr sns spe spf spg spi spn spp spr sps sr- sre srf srg sri srn srp srr srs ss- sse ssf ssg ssi ssn ssp ssr sss