a-a a-z aaa aad aag aao aaz ad- ada add adg ado adz ag- aga agd agg ago agz aoa aod aog aoo az- aza azd azg azo azz daa dad dag dao daz dda ddd ddg ddo ddz dga dgd dgg dgz doa dod dog doo doz dza dzd dzo g-d gaa gad gag gao gaz gda gdd gdo gga ggd ggg ggo ggz goa god gog goo goz gza gzo oaa oad oag oao oda odd odg odo oga ogd ogg ogo oo- ooa ood oog ooo oza ozo ozz z-g zaa zad zag zao zaz zgg zo- zoa zod zog zoo zzz