a-a a-c a-t aaa aac aan aao aat aav ac- aca acc acn aco act acv an- ana anc ann ano ant anv aoa aoc aon aoo aot aov at- ata atc atn ato att atv av- ava avc avn avo avt c-- caa cac can cao cat cav cca ccc ccn cco cct ccv cn- cna cnc cnn cno cnt cnv co- coa coc con coo cot cov cta ctc ctn cto ctt ctv cva cvc cvn cvo cvt cvv naa nac nan nao nat nav nca ncc ncn nco nct ncv nna nnc nnn nno nnt nnv no- noa noc non noo not nov nta ntc ntn nto ntt ntv nva nvc nvn nvt nvv oaa oac oan oao oat oav oc- oca occ ocn oco oct ocv on- ona onc onn ono ont oo- ooa ooc oon ooo oot oov ot- ota otc otn oto ott otv ov- ova ovc ovo ovv taa tac tan tao tat tav tca tcc tcn tco tct tcv tna tnc tnn tno tnt to- toa toc ton too tot tov tta ttc ttn tto ttt ttv tva tvc tvn tvo tvt v-a vaa vac van vao vat vav vca vcc vcn vco vct vn- vna vno vnv voa voc von voo vot vov vta vtc vto vtt vtv vva vvc vvo vvt vvv