a-a a-c aaa aac aad aae aag aao aav ac- aca acc acd ace acg aco acv ad- ada adc add ade adg ado adv aea aec aed aee aeg aeo aev ag- aga agc agd age agg ago agv aoa aoc aod aoe aog aoo aov av- ava avc avd ave avg avo c-- caa cac cad cae cag cao cav cca ccc ccd cce ccg cco ccv cda cdc cdd cde cdg cdo cdv ce- cea cec ced cee ceg ceo cev cga cgc cgd cge cgg cgo cgv co- coa coc cod coe cog coo cov cva cvc cvd cve cvg cvo cvv daa dac dad dae dag dao dav dca dcc dcd dce dcg dco dcv dda ddc ddd dde ddg ddo de- dea dec ded dee deg deo dev dga dgc dgd dge dgg doa doc dod doe dog doo dov dva dvc dvd dve dvg eaa eac ead eae eag eao eav ec- eca ecc ecd ece ecg eco ecv ed- eda edc edd ede edg edo eea eec eed eee eeg eeo eev ega egc egd ege egg ego eo- eoa eoc eod eoe eog eoo eva evc evd eve evg evo evv g-d gaa gac gad gae gag gao gav gca gcc gcd gce gcg gco gda gdc gdd gde gdo gdv ge- gea gec ged gee geg geo gev gga ggc ggd ggg ggo ggv goa goc god goe gog goo gov gva gvc gvd gve gvg gvo oaa oac oad oae oag oao oav oc- oca occ ocd ocg oco ocv oda odc odd ode odg odo odv oea oec oed oee oeg oeo oga ogc ogd oge ogg ogo oo- ooa ooc ood oog ooo oov ov- ova ovc ovd ove ovo ovv v-a v-e vaa vac vad vae vag vao vav vca vcc vcd vce vco vdc vdd vde vdg vdo vdv vea vec ved vee veg veo vga vgc vgg vgo voa voc vod voe vog voo vov vva vvc vvg vvo vvv