a-a a-z aaa aag aao aar aas aay aaz ag- aga agg ago agr ags agy agz aoa aog aoo aor aos ar- ara arg aro arr ars ary arz as- asa asg aso asr ass asy asz ay- aya ayo ayr ays ayz az- aza azg azo azs azy azz gaa gag gao gar gas gay gaz gga ggg ggo ggr ggs ggz goa gog goo gor gos goy goz gra grg gro grr grs gry gsa gsg gso gsr gss gy- gya gyo gyr gys gza gzo gzr oaa oag oao oar oas oga ogg ogo ogs ogy oo- ooa oog ooo oor oos or- ora org oro orr ors ory orz os- osa osg oso osr oss oya oyo oys oza ozo ozs ozz ra- raa rag rao rar ras ray raz rga rgg rgo rgr rgs roa rog roo ror ros roy roz rra rrg rrr rrs rsa rsg rso rsr rss ry- rya ryg ryo ryr rys ryy ryz rza rzo rzy saa sag sao sar sas say saz sga sgg sgo sgr sgs soa sog soo sor sos soy soz sr- sra srg sro srr srs sry ss- ssa ssg sso ssr sss ssz sy- sya syg syr sys sza szr yaa yag yao yar yas yay yaz yga ygo yog yoo yor yos yoy yra yrg yro yrs ysa ysg yso ysr yss ysy ysz yyg yys yyy yyz yzr yzy z-g zaa zag zao zar zas zay zaz zgg zgs zo- zoa zog zoo zor zos zro zrs zsa zsg zsz zzr zzs zzy zzz