a-a a-i a-t aaa aae aag aai aas aat aav aax aea aee aeg aei aes aet aev aex ag- aga age agg agi ags agt agv agx ai- aia aie aig aii ais ait aiv aix as- asa ase asg asi ass ast asv asx at- ata ate atg ati ats att atv atx av- ava ave avg avi avs avt avx ax- axa axe axi axs axt axv axx eaa eae eag eai eas eat eav eax eea eee eeg ees eet eev eex ega ege egg egi egs egt egx eia eie eig eii eis eit eiv eix es- esa ese esg esi ess est esv esx eta ete etg eti ets ett etv etx eva eve evg evi evs evt evv ex- exa exe exi exs ext exx gaa gae gag gai gas gat gav ge- gea gee geg gei ges get gev gex gga ggg ggi ggs ggt ggv gia gie gig gii gis git giv gsa gse gsg gsi gss gst gsv gsx gta gte gtg gti gts gtt gtv gtx gva gve gvg gvi gvs gvt gxa gxs gxt i-v ia- iaa iae iag iai ias iat iav ie- iea iee ieg iei ies iet iev iex iga ige igg igi igs igt iia iie iii iis iit iix is- isa ise isg isi iss ist isv ita ite itg iti its itt itv itx iva ive ivg ivi ivs ivt ivv ivx ixe ixi saa sae sag sai sas sat sav sax se- sea see seg sei ses set sev sex sga sge sgg sgi sgs sgt sgv sgx sia sie sig sii sis sit siv six ss- ssa sse ssg ssi sss sst ssv ssx sta ste stg sti sts stt stv stx sva sve svg svi svs svt svv svx sxi sxs sxt t-x taa tae tag tai tas tat tav tax te- tea tee teg tei tes tet tev tex tga tge tgg tgi tgs tgt tgv tia tie tig tii tis tit tiv tix tsa tse tsg tsi tss tst tsv tsx tta tte ttg tti tts ttt ttv ttx tva tve tvg tvi tvs tvt tvx txe txi txs txt v-a v-e vaa vae vag vai vas vat vav vax vea vee veg vei ves vet vex vga vgg vgs vgt vgx vi- via vie vig vii vis vit viv vix vsa vse vsg vsi vss vst vsv vta vte vtg vti vts vtt vtv vtx vva vvg vvi vvs vvt vvv vxa vxs vxv xaa xag xas xat xav xee xeg xes xet xev xex xge xgi xia xie xii xis xit xiv xix xsa xsi xss xst xti xts xtv xtx xvg xvi xvt xxi xxv xxx