a-a aaa aag aam aao aar ag- aga agg agm ago agr ama amg amm amo amr aoa aog aom aoo aor ar- ara arg arm aro arr gaa gag gam gao gar gga ggg ggm ggo ggr gma gmg gmm gmo gmr goa gog gom goo gor gra grg grm gro grr m-o m-r maa mag mam mao mar mga mgm mgo mgr mma mmg mmm mmo mmr moa mog mom moo mor mra mrg mrm mro mrr oaa oag oam oao oar oga ogg ogo om- oma omg omm omo omr oo- ooa oog oom ooo oor or- ora org orm oro orr ra- raa rag ram rao rar rga rgg rgo rgr rma rmg rmm rmo rmr roa rog rom roo ror rra rrg rrm rrr