a-a a-c aaa aac aag aan aao aay ac- aca acc acg acn aco acy ag- aga agc agg agn ago agy an- ana anc ang ann ano any aoa aoc aog aon aoo ay- aya ayc ayn ayo c-- caa cac cag can cao cay cca ccc ccg ccn cco cga cgc cgg cgn cgo cgy cn- cna cnc cng cnn cno cny co- coa coc cog con coo coy cya cyc cyg cyn cyo gaa gac gag gan gao gay gca gcc gcg gcn gco gga ggc ggg ggn ggo gna gnc gnn gno goa goc gog gon goo goy gy- gya gyn gyo naa nac nag nan nao nay nca ncc ncg ncn nco nga ngc ngg ngn ngo nna nnc nng nnn nno no- noa noc nog non noo noy nya nyc nyg nyn nyo nyy oaa oac oag oan oao oc- oca occ ocg ocn oco oga ogc ogg ogn ogo ogy on- ona onc ong onn ono ony oo- ooa ooc oog oon ooo oya oyo yaa yac yag yan yao yay yca ycc yco ycy yga ygc ygo yna yng ynn yny yoc yog yon yoo yoy yyc yyg yyy