a-a a-q a-z aaa aag aao aaq aar aaz ag- aga agg ago agq agr agz aoa aog aoo aor aqa aqo aqr ar- ara arg aro arq arr arz az- aza azg azo azq azz gaa gag gao gar gaz gga ggg ggo ggr ggz goa gog goo goq gor goz gra grg gro grq grr gza gzo gzr oaa oag oao oaq oar oga ogg ogo oo- ooa oog ooo oor oqo or- ora org oro orr orz oza ozo ozz qaa qag qar qaz qga qoo qor qqq qra qrg ra- raa rag rao raq rar raz rga rgg rgo rgr roa rog roo ror roz rra rrg rrq rrr rza rzo z-g zaa zag zao zaq zar zaz zgg zo- zoa zog zoo zor zro zzr zzz