-er eee eeg een eep eer ees eex ege egg egi egn egp egr egs egx eie eig eii ein eip eir eis eix en- ene eng eni enn enp enr ens ep- epe epg epi epn epp epr eps epx ere erg eri ern erp err ers es- ese esg esi esn esp esr ess esx ex- exe exi exp exr exs exx g-p ge- gee geg gei gen gep ger ges gex ggg ggi ggn ggp ggr ggs gie gig gii gin gip gir gis gne gni gnn gnp gnr gns gpe gpg gpi gpn gpp gpr gps gpx gre grg gri grn grp grr grs grx gse gsg gsi gsn gsp gsr gss gsx gxp gxs ie- iee ieg iei ien iep ier ies iex ige igg igi ign igp igr igs iie iii iin iip iir iis iix in- ine ing ini inn inp inr ins inx ipe ipg ipi ipn ipp ipr ips ipx ir- ire irg iri irn irp irr irs irx is- ise isg isi isn isp isr iss ixe ixi ixn n-i ne- nee neg nei nen nep ner nes nex nge ngg ngi ngn ngp ngs nie nig nii nin nip nir nis nix nne nng nni nnn nnp nns npe npg npi npn npp npr nps nre nrg nri nrn nrp nrr nrs nrx nse nsg nsi nsn nsp nsr nss nsx p-p pee peg pei pen pep per pes pex pge pgg pgi pgn pgp pgr pgs pie pig pii pin pip pir pis pix pn- pne png pni pnn pnp pnr pns pnx ppe ppg ppi ppn ppp ppr pps ppx pre prg pri prn prp prr prs prx ps- pse psg psi psn psp psr pss psx pxe pxg pxr pxs re- ree reg rei ren rep rer res rex rge rgg rgi rgn rgp rgr rgs rgx rie rig rii rin rip rir ris rix rng rni rnn rnp rnr rns rpe rpg rpi rpn rpp rpr rps rpx rrg rri rrn rrp rrr rrs rse rsg rsi rsn rsp rsr rss rsx rxp rxr rxs se- see seg sei sen sep ser ses sex sge sgg sgi sgn sgp sgr sgs sgx sie sig sii sin sip sir sis six sne sng sni snn snp snr sns spe spg spi spn spp spr sps spx sr- sre srg sri srn srp srr srs srx ss- sse ssg ssi ssn ssp ssr sss ssx sxi sxn sxs xee xeg xen xep xer xes xex xge xgi xgp xie xii xin xis xix xns xpe xpg xpn xpp xps xrx xsi xsp xss xxi xxp xxx