a-a aaa aad aag aao aar ad- ada add adg ado adr ag- aga agd agg ago agr aoa aod aog aoo aor ar- ara ard arg aro arr daa dad dag dao dar dda ddd ddg ddo ddr dga dgd dgg dgr doa dod dog doo dor dra drd drg dro drr g-d gaa gad gag gao gar gda gdd gdo gdr gga ggd ggg ggo ggr goa god gog goo gor gra grd grg gro grr oaa oad oag oao oar oda odd odg odo odr oga ogd ogg ogo oo- ooa ood oog ooo oor or- ora ord org oro orr ra- raa rad rag rao rar rda rdd rdg rdo rdr rga rgd rgg rgo rgr roa rod rog roo ror rra rrd rrg rrr