-ey a-a a-c a-t aaa aac aae aat aay ac- aca acc ace act acy aea aec aee aet aey at- ata atc ate att ay- aya ayc aye ayt c-- caa cac cae cat cay cca ccc cce cct ce- cea cec cee cet cey cta ctc cte ctt cty cya cyc cye cyt eaa eac eae eat ec- eca ecc ece ect eea eec eee eet eey eta etc ete ett ety eya eyc eye eyt taa tac tae tat tay tca tcc tce tct te- tea tec tee tet tey tta ttc tte ttt tty tya tyc tye tyt yaa yac yae yat yay yca ycc yce ycy yea yec yee yet yey yta ytc yte ytt yyc yye yyt yyy