a-a a-c a-t aaa aac aad aan aao aat aav ac- aca acc acd acn aco act acv ad- ada adc add adn ado adt adv an- ana anc and ann ano ant anv aoa aoc aod aon aoo aot aov at- ata atc atd atn ato att atv av- ava avc avd avn avo avt c-- caa cac cad can cao cat cav cca ccc ccd ccn cco cct ccv cda cdc cdd cdn cdo cdt cdv cn- cna cnc cnd cnn cno cnt cnv co- coa coc cod con coo cot cov cta ctc ctd ctn cto ctt ctv cva cvc cvd cvn cvo cvt cvv daa dac dad dan dao dat dav dca dcc dcd dcn dco dct dcv dda ddc ddd ddn ddo ddt dna dnc dnd dnn dno dnt doa doc dod don doo dot dov dta dtc dtd dtn dto dtt dtv dva dvc dvd dvn dvt naa nac nad nan nao nat nav nca ncc ncd ncn nco nct ncv nda ndc ndd ndn ndo ndt ndv nna nnc nnn nno nnt nnv no- noa noc nod non noo not nov nta ntc ntd ntn nto ntt ntv nva nvc nvd nvn nvt nvv oaa oac oad oan oao oat oav oc- oca occ ocd ocn oco oct ocv oda odc odd odn odo odt odv on- ona onc ond onn ono ont oo- ooa ooc ood oon ooo oot oov ot- ota otc otd otn oto ott otv ov- ova ovc ovd ovo ovv taa tac tad tan tao tat tav tca tcc tcd tcn tco tct tcv tda tdc tdd tdn tdo tdt tdv tna tnc tnd tnn tno tnt to- toa toc tod ton too tot tov tta ttc ttd ttn tto ttt ttv tva tvc tvd tvn tvo tvt v-a vaa vac vad van vao vat vav vca vcc vcd vcn vco vct vdc vdd vdo vdt vdv vn- vna vnd vno vnv voa voc vod von voo vot vov vta vtc vto vtt vtv vva vvc vvo vvt vvv