-er eee eeg een eer ees eev eex ege egg egn egr egs egx en- ene eng enn enr ens env ere erg ern err ers erv es- ese esg esn esr ess esv esx eve evg evn evr evs evv ex- exe exr exs exx ge- gee geg gen ger ges gev gex ggg ggn ggr ggs ggv gne gnn gnr gns gnv gre grg grn grr grs grv grx gse gsg gsn gsr gss gsv gsx gve gvg gvn gvr gvs gxs ne- nee neg nen ner nes nev nex nge ngg ngn ngs nne nng nnn nns nnv nre nrg nrn nrr nrs nrv nrx nse nsg nsn nsr nss nsv nsx nve nvg nvn nvv nxv re- ree reg ren rer res rev rex rge rgg rgn rgr rgs rgv rgx rng rnn rnr rns rnv rrg rrn rrr rrs rse rsg rsn rsr rss rsv rsx rve rvg rvn rvr rvs rvv rxr rxs se- see seg sen ser ses sev sex sge sgg sgn sgr sgs sgv sgx sne sng snn snr sns snv sr- sre srg srn srr srs srv srx ss- sse ssg ssn ssr sss ssv ssx sve svg svn svr svs svv svx sxn sxs v-e vee veg ven ver ves vex vgg vgn vgr vgs vgx vn- vng vnr vns vnv vre vrg vrn vrr vrs vse vsg vsn vsr vss vsv vvg vvr vvs vvv vxr vxs vxv xee xeg xen xer xes xev xex xge xns xrx xss xvg xxv xxx