a-a a-c a-t aaa aac aae aat aau aav ac- aca acc ace act acu acv aea aec aee aet aeu aev at- ata atc ate att atu atv au- aua auc aue aut auv av- ava avc ave avt avu c-- caa cac cae cat cau cav cca ccc cce cct ccu ccv ce- cea cec cee cet ceu cev cta ctc cte ctt ctu ctv cua cuc cue cut cuu cuv cva cvc cve cvt cvu cvv eaa eac eae eat eau eav ec- eca ecc ece ect ecu ecv eea eec eee eet eev eta etc ete ett etu etv eu- eua euc eue eut euv eva evc eve evt evv taa tac tae tat tau tav tca tcc tce tct tcu tcv te- tea tec tee tet teu tev tta ttc tte ttt ttu ttv tua tuc tue tut tuu tuv tva tvc tve tvt tvu ua- uaa uac uae uat uau uav uca ucc uce uct ucu ucv uea uec uee uet uta utc ute utt utu utv uua uuc uue uut uuu uva uvc uve uvu uvv v-a v-e vaa vac vae vat vau vav vca vcc vce vct vcu vea vec vee vet veu vta vtc vte vtt vtu vtv vue vut vuv vva vvc vvt vvv