-er eee eef eeg eeo eer ees eev ef- efe eff efg efi efo efr efs ege egf egg egi ego egr egs eie eif eig eii eio eir eis eiv eo- eoe eof eog eoi eoo eor eos ere erf erg eri ero err ers erv es- ese esf esg esi eso esr ess esv eve evf evg evi evo evr evs evv fee fef feg fei feo fer fes fev ffe fff ffg ffi ffo ffr ffs ffv fge fgf fgg fgi fgr fgs fgv fie fif fig fii fir fis foe fof fog foi foo for fos fre frf frg fri fro frr frs fse fsf fsg fsi fso fsr fss fsv fvg ge- gee gef geg gei geo ger ges gev gfe gff gfi gfo gfr gfs ggg ggi ggo ggr ggs ggv gie gif gig gii gio gir gis giv goe gof gog goi goo gor gos gov gre grf grg gri gro grr grs grv gse gsf gsg gsi gso gsr gss gsv gve gvf gvg gvi gvo gvr gvs i-f i-v ie- iee ief ieg iei ier ies iev ife iff ifg ifi ifo ifr ifs ige igf igg igi igo igr igs iie iif iii iio iir iis io- ioe iof iog ioi ioo ior ios iov ir- ire irf irg iri iro irr irs irv is- ise isf isg isi iso isr iss isv ive ivf ivg ivi ivo ivr ivs ivv o-i oee oef oeg oei oeo oer oes of- ofe off ofg ofi ofo ofr ofs ofv oge ogf ogg ogi ogo ogs oie oif oii oio oir ois oiv oo- oof oog ooi ooo oor oos oov or- ore orf org ori oro orr ors orv os- ose osf osg osi oso osr oss osv ov- ove ovf ovi ovo ovs ovv re- ree ref reg rei reo rer res rev rfe rff rfg rfi rfo rfr rfs rfv rge rgf rgg rgi rgo rgr rgs rgv rie rif rig rii rio rir ris riv roe rof rog roi roo ror ros rov rrf rrg rri rrr rrs rse rsf rsg rsi rso rsr rss rsv rve rvf rvg rvi rvo rvr rvs rvv se- see sef seg sei seo ser ses sev sfe sff sfg sfi sfo sfr sfs sfv sge sgf sgg sgi sgo sgr sgs sgv sie sif sig sii sio sir sis siv soe sof sog soi soo sor sos sov sr- sre srf srg sri sro srr srs srv ss- sse ssf ssg ssi sso ssr sss ssv sve svf svg svi svo svr svs svv v-e vee vef veg vei veo ver ves vff vfg vfi vfr vfs vfv vgf vgg vgo vgr vgs vi- vie vif vig vii vio vir vis viv voe vof vog voi voo vor vos vov vre vrf vrg vri vrr vrs vse vsf vsg vsi vso vsr vss vsv vvg vvi vvo vvr vvs vvv