a-a a-t aaa aag aao aar aat aay ag- aga agg ago agr agt agy aoa aog aoo aor aot ar- ara arg aro arr art ary at- ata atg ato atr att ay- aya ayo ayr ayt gaa gag gao gar gat gay gga ggg ggo ggr ggt goa gog goo gor got goy gra grg gro grr grt gry gta gtg gto gtr gtt gty gy- gya gyo gyr oaa oag oao oar oat oga ogg ogo ogt ogy oo- ooa oog ooo oor oot or- ora org oro orr ort ory ot- ota otg oto otr ott oya oyo ra- raa rag rao rar rat ray rga rgg rgo rgr rgt roa rog roo ror rot roy rra rrg rrr rrt rta rtg rto rtr rtt rty ry- rya ryg ryo ryr ryy taa tag tao tar tat tay tga tgg tgo tgr tgt tgy to- toa tog too tor tot toy tra trg tro trr trt try tta ttg tto ttr ttt tty tya tyg tyo tyr tyt yaa yag yao yar yat yay yga ygo yog yoo yor yot yoy yra yrg yro yrt yta yto ytr ytt yyg yyt yyy