a-a a-c a-t aaa aac aat aav aay ac- aca acc act acv acy at- ata atc att atv av- ava avc avt avy ay- aya ayc ayt c-- caa cac cat cav cay cca ccc cct ccv cta ctc ctt ctv cty cva cvc cvt cvv cya cyc cyt taa tac tat tav tay tca tcc tct tcv tta ttc ttt ttv tty tva tvc tvt tvy tya tyc tyt v-a vaa vac vat vav vay vca vcc vct vcy vta vtc vtt vtv vty vva vvc vvt vvv vyt yaa yac yat yav yay yca ycc ycv ycy yta ytc ytt ytv yva yvy yyc yyt yyy