a-a a-t aaa aag aar aat aay ag- aga agg agr agt agy ar- ara arg arr art ary at- ata atg atr att ay- aya ayr ayt gaa gag gar gat gay gga ggg ggr ggt gra grg grr grt gry gta gtg gtr gtt gty gy- gya gyr ra- raa rag rar rat ray rga rgg rgr rgt rra rrg rrr rrt rta rtg rtr rtt rty ry- rya ryg ryr ryy taa tag tar tat tay tga tgg tgr tgt tgy tra trg trr trt try tta ttg ttr ttt tty tya tyg tyr tyt yaa yag yar yat yay yga yra yrg yrt yta ytr ytt yyg yyt yyy