a-a a-z aaa aag aao aas aay aaz ag- aga agg ago ags agy agz aoa aog aoo aos as- asa asg aso ass asy asz ay- aya ayo ays ayz az- aza azg azo azs azy azz gaa gag gao gas gay gaz gga ggg ggo ggs ggz goa gog goo gos goy goz gsa gsg gso gss gy- gya gyo gys gza gzo oaa oag oao oas oga ogg ogo ogs ogy oo- ooa oog ooo oos os- osa osg oso oss oya oyo oys oza ozo ozs ozz saa sag sao sas say saz sga sgg sgo sgs soa sog soo sos soy soz ss- ssa ssg sso sss ssz sy- sya syg sys sza yaa yag yao yas yay yaz yga ygo yog yoo yos yoy ysa ysg yso yss ysy ysz yyg yys yyy yyz yzy z-g zaa zag zao zas zay zaz zgg zgs zo- zoa zog zoo zos zsa zsg zsz zzs zzy zzz