a-a a-c a-t aaa aac aad aak aat aay ac- aca acc acd ack act acy ad- ada adc add adk adt ady aka akc akd akk at- ata atc atd att ay- aya ayc ayd ayk ayt c-- caa cac cad cak cat cay cca ccc ccd cck cct cda cdc cdd cdk cdt cdy cka ckc ckd ckt cky cta ctc ctd ctk ctt cty cya cyc cyd cyk cyt daa dac dad dak dat day dca dcc dcd dck dct dda ddc ddd ddk ddt ddy dka dkc dkk dkt dta dtc dtd dtk dtt dty dy- dya dyc dyd dyk dyy k-t ka- kaa kac kad kak kat kay kca kcc kcd kck kct kda kdc kdk kdt kdy kkc kkk kkt kky kta ktc ktk ktt kya kyc kyd kyt taa tac tad tak tat tay tca tcc tcd tck tct tda tdc tdd tdk tdt tdy tka tkc tkk tkt tky tta ttc ttd ttk ttt tty tya tyc tyd tyt yaa yac yad yak yat yay yca ycc ycd ycy yda ydt ydy yka ykk yta ytc ytd ytk ytt yyc yyt yyy