a-a a-z aaa aag aao aar aay aaz ag- aga agg ago agr agy agz aoa aog aoo aor ar- ara arg aro arr ary arz ay- aya ayo ayr ayz az- aza azg azo azy azz gaa gag gao gar gay gaz gga ggg ggo ggr ggz goa gog goo gor goy goz gra grg gro grr gry gy- gya gyo gyr gza gzo gzr oaa oag oao oar oga ogg ogo ogy oo- ooa oog ooo oor or- ora org oro orr ory orz oya oyo oza ozo ozz ra- raa rag rao rar ray raz rga rgg rgo rgr roa rog roo ror roy roz rra rrg rrr ry- rya ryg ryo ryr ryy ryz rza rzo rzy yaa yag yao yar yay yaz yga ygo yog yoo yor yoy yra yrg yro yyg yyy yyz yzr yzy z-g zaa zag zao zar zay zaz zgg zo- zoa zog zoo zor zro zzr zzy zzz