a-a a-c aaa aac aae aag aan aao aav ac- aca acc ace acg acn aco acv aea aec aee aeg aen aeo aev ag- aga agc age agg agn ago agv an- ana anc ane ang ann ano anv aoa aoc aoe aog aon aoo aov av- ava avc ave avg avn avo c-- caa cac cae cag can cao cav cca ccc cce ccg ccn cco ccv ce- cea cec cee ceg cen ceo cev cga cgc cge cgg cgn cgo cgv cn- cna cnc cne cng cnn cno cnv co- coa coc coe cog con coo cov cva cvc cve cvg cvn cvo cvv eaa eac eae eag ean eao eav ec- eca ecc ece ecg ecn eco ecv eea eec eee eeg een eeo eev ega egc ege egg egn ego en- ena enc ene eng enn eno env eo- eoa eoc eoe eog eon eoo eva evc eve evg evn evo evv gaa gac gae gag gan gao gav gca gcc gce gcg gcn gco ge- gea gec gee geg gen geo gev gga ggc ggg ggn ggo ggv gna gnc gne gnn gno gnv goa goc goe gog gon goo gov gva gvc gve gvg gvn gvo naa nac nae nag nan nao nav nca ncc nce ncg ncn nco ncv ne- nea nec nee neg nen neo nev nga ngc nge ngg ngn ngo nna nnc nne nng nnn nno nnv no- noa noc noe nog non noo nov nva nvc nve nvg nvn nvv oaa oac oae oag oan oao oav oc- oca occ ocg ocn oco ocv oea oec oee oeg oen oeo oga ogc oge ogg ogn ogo on- ona onc one ong onn ono oo- ooa ooc oog oon ooo oov ov- ova ovc ove ovo ovv v-a v-e vaa vac vae vag van vao vav vca vcc vce vcn vco vea vec vee veg ven veo vga vgc vgg vgn vgo vn- vna vng vno vnv voa voc voe vog von voo vov vva vvc vvg vvo vvv