a-a a-c aaa aac aag aan aao aav ac- aca acc acg acn aco acv ag- aga agc agg agn ago agv an- ana anc ang ann ano anv aoa aoc aog aon aoo aov av- ava avc avg avn avo c-- caa cac cag can cao cav cca ccc ccg ccn cco ccv cga cgc cgg cgn cgo cgv cn- cna cnc cng cnn cno cnv co- coa coc cog con coo cov cva cvc cvg cvn cvo cvv gaa gac gag gan gao gav gca gcc gcg gcn gco gga ggc ggg ggn ggo ggv gna gnc gnn gno gnv goa goc gog gon goo gov gva gvc gvg gvn gvo naa nac nag nan nao nav nca ncc ncg ncn nco ncv nga ngc ngg ngn ngo nna nnc nng nnn nno nnv no- noa noc nog non noo nov nva nvc nvg nvn nvv oaa oac oag oan oao oav oc- oca occ ocg ocn oco ocv oga ogc ogg ogn ogo on- ona onc ong onn ono oo- ooa ooc oog oon ooo oov ov- ova ovc ovo ovv v-a vaa vac vag van vao vav vca vcc vcn vco vga vgc vgg vgn vgo vn- vna vng vno vnv voa voc vog von voo vov vva vvc vvg vvo vvv