a-a a-t aaa aag aao aat aay ag- aga agg ago agt agy aoa aog aoo aot at- ata atg ato att ay- aya ayo ayt gaa gag gao gat gay gga ggg ggo ggt goa gog goo got goy gta gtg gto gtt gty gy- gya gyo oaa oag oao oat oga ogg ogo ogt ogy oo- ooa oog ooo oot ot- ota otg oto ott oya oyo taa tag tao tat tay tga tgg tgo tgt tgy to- toa tog too tot toy tta ttg tto ttt tty tya tyg tyo tyt yaa yag yao yat yay yga ygo yog yoo yot yoy yta yto ytt yyg yyt yyy