a-a a-c a-t aaa aac aao aat aau aav ac- aca acc aco act acu acv aoa aoc aoo aot aou aov at- ata atc ato att atu atv au- aua auc auo aut auv av- ava avc avo avt avu c-- caa cac cao cat cau cav cca ccc cco cct ccu ccv co- coa coc coo cot cou cov cta ctc cto ctt ctu ctv cua cuc cuo cut cuu cuv cva cvc cvo cvt cvu cvv oaa oac oao oat oau oav oc- oca occ oco oct ocu ocv oo- ooa ooc ooo oot oov ot- ota otc oto ott otu otv ou- oua ouc ouo out ov- ova ovc ovo ovv taa tac tao tat tau tav tca tcc tco tct tcu tcv to- toa toc too tot tou tov tta ttc tto ttt ttu ttv tua tuc tuo tut tuu tuv tva tvc tvo tvt tvu ua- uaa uac uao uat uau uav uca ucc uco uct ucu ucv uoa uoc uoo uot uta utc uto utt utu utv uua uuc uut uuu uva uvc uvo uvu uvv v-a vaa vac vao vat vau vav vca vcc vco vct vcu voa voc voo vot vou vov vta vtc vto vtt vtu vtv vut vuv vva vvc vvo vvt vvv