a-a a-c a-t aaa aac aat aau aay ac- aca acc act acu acy at- ata atc att atu au- aua auc aut ay- aya ayc ayt ayu c-- caa cac cat cau cay cca ccc cct ccu cta ctc ctt ctu cty cua cuc cut cuu cuy cya cyc cyt taa tac tat tau tay tca tcc tct tcu tta ttc ttt ttu tty tua tuc tut tuu tuy tya tyc tyt ua- uaa uac uat uau uay uca ucc uct ucu uta utc utt utu uty uua uuc uut uuu uyc uyu yaa yac yat yau yay yca ycc ycu ycy yta ytc ytt ytu yua yut yuu yuy yyc yyt yyu yyy