a-a a-c a-t aaa aac aae aan aao aat aav ac- aca acc ace acn aco act acv aea aec aee aen aeo aet aev an- ana anc ane ann ano ant anv aoa aoc aoe aon aoo aot aov at- ata atc ate atn ato att atv av- ava avc ave avn avo avt c-- caa cac cae can cao cat cav cca ccc cce ccn cco cct ccv ce- cea cec cee cen ceo cet cev cn- cna cnc cne cnn cno cnt cnv co- coa coc coe con coo cot cov cta ctc cte ctn cto ctt ctv cva cvc cve cvn cvo cvt cvv eaa eac eae ean eao eat eav ec- eca ecc ece ecn eco ect ecv eea eec eee een eeo eet eev en- ena enc ene enn eno ent env eo- eoa eoc eoe eon eoo eot eta etc ete etn eto ett etv eva evc eve evn evo evt evv naa nac nae nan nao nat nav nca ncc nce ncn nco nct ncv ne- nea nec nee nen neo net nev nna nnc nne nnn nno nnt nnv no- noa noc noe non noo not nov nta ntc nte ntn nto ntt ntv nva nvc nve nvn nvt nvv oaa oac oae oan oao oat oav oc- oca occ ocn oco oct ocv oea oec oee oen oeo oet on- ona onc one onn ono ont oo- ooa ooc oon ooo oot oov ot- ota otc ote otn oto ott otv ov- ova ovc ove ovo ovv taa tac tae tan tao tat tav tca tcc tce tcn tco tct tcv te- tea tec tee ten teo tet tev tna tnc tne tnn tno tnt to- toa toc toe ton too tot tov tta ttc tte ttn tto ttt ttv tva tvc tve tvn tvo tvt v-a v-e vaa vac vae van vao vat vav vca vcc vce vcn vco vct vea vec vee ven veo vet vn- vna vno vnv voa voc voe von voo vot vov vta vtc vte vto vtt vtv vva vvc vvo vvt vvv