-er eee eef eeg eeo eer ees eet eev ef- efe eff efg efi efo efr efs eft ege egf egg egi ego egr egs egt eie eif eig eii eio eir eis eit eiv eo- eoe eof eog eoi eoo eor eos eot ere erf erg eri ero err ers ert erv es- ese esf esg esi eso esr ess est esv ete etf etg eti eto etr ets ett etv eve evf evg evi evo evr evs evt evv fee fef feg fei feo fer fes fet fev ffe fff ffg ffi ffo ffr ffs fft ffv fge fgf fgg fgi fgr fgs fgt fgv fie fif fig fii fir fis fit foe fof fog foi foo for fos fot fre frf frg fri fro frr frs frt fse fsf fsg fsi fso fsr fss fst fsv fte ftf ftg fti fto ftr fts ftt ftv fvg fvt ge- gee gef geg gei geo ger ges get gev gfe gff gfi gfo gfr gfs gft ggg ggi ggo ggr ggs ggt ggv gie gif gig gii gio gir gis git giv goe gof gog goi goo gor gos got gov gre grf grg gri gro grr grs grt grv gse gsf gsg gsi gso gsr gss gst gsv gte gtf gtg gti gto gtr gts gtt gtv gve gvf gvg gvi gvo gvr gvs gvt i-f i-v ie- iee ief ieg iei ier ies iet iev ife iff ifg ifi ifo ifr ifs ift ige igf igg igi igo igr igs igt iie iif iii iio iir iis iit io- ioe iof iog ioi ioo ior ios iot iov ir- ire irf irg iri iro irr irs irt irv is- ise isf isg isi iso isr iss ist isv ite itf itg iti ito its itt itv ive ivf ivg ivi ivo ivr ivs ivt ivv o-i oee oef oeg oei oeo oer oes oet of- ofe off ofg ofi ofo ofr ofs oft ofv oge ogf ogg ogi ogo ogs ogt oie oif oii oio oir ois oit oiv oo- oof oog ooi ooo oor oos oot oov or- ore orf org ori oro orr ors ort orv os- ose osf osg osi oso osr oss ost osv ot- ote otf otg oti oto otr ots ott otv ov- ove ovf ovi ovo ovs ovv re- ree ref reg rei reo rer res ret rev rfe rff rfg rfi rfo rfr rfs rft rfv rge rgf rgg rgi rgo rgr rgs rgt rgv rie rif rig rii rio rir ris rit riv roe rof rog roi roo ror ros rot rov rrf rrg rri rrr rrs rrt rse rsf rsg rsi rso rsr rss rst rsv rte rtf rtg rti rto rtr rts rtt rtv rve rvf rvg rvi rvo rvr rvs rvt rvv se- see sef seg sei seo ser ses set sev sfe sff sfg sfi sfo sfr sfs sft sfv sge sgf sgg sgi sgo sgr sgs sgt sgv sie sif sig sii sio sir sis sit siv soe sof sog soi soo sor sos sot sov sr- sre srf srg sri sro srr srs srt srv ss- sse ssf ssg ssi sso ssr sss sst ssv ste stf stg sti sto str sts stt stv sve svf svg svi svo svr svs svt svv te- tee tef teg tei teo ter tes tet tev tfe tff tfg tfi tfo tfr tfs tft tge tgf tgg tgi tgo tgr tgs tgt tgv tie tif tig tii tio tir tis tit tiv to- toe tof tog toi too tor tos tot tov tre trf trg tri tro trr trs trt trv tse tsf tsg tsi tso tsr tss tst tsv tte ttf ttg tti tto ttr tts ttt ttv tve tvf tvg tvi tvo tvr tvs tvt v-e vee vef veg vei veo ver ves vet vff vfg vfi vfr vfs vft vfv vgf vgg vgo vgr vgs vgt vi- vie vif vig vii vio vir vis vit viv voe vof vog voi voo vor vos vot vov vre vrf vrg vri vrr vrs vrt vse vsf vsg vsi vso vsr vss vst vsv vte vtg vti vto vtr vts vtt vtv vvg vvi vvo vvr vvs vvt vvv