a-a aaa aag aam aao aar aas ag- aga agg agm ago agr ags ama amg amm amo amr ams aoa aog aom aoo aor aos ar- ara arg arm aro arr ars as- asa asg asm aso asr ass gaa gag gam gao gar gas gga ggg ggm ggo ggr ggs gma gmg gmm gmo gmr gms goa gog gom goo gor gos gra grg grm gro grr grs gsa gsg gsm gso gsr gss m-o m-r maa mag mam mao mar mas mga mgm mgo mgr mgs mma mmg mmm mmo mmr mms moa mog mom moo mor mos mra mrg mrm mro mrr mrs msa msg msm mso msr mss oaa oag oam oao oar oas oga ogg ogo ogs om- oma omg omm omo omr oms oo- ooa oog oom ooo oor oos or- ora org orm oro orr ors os- osa osg osm oso osr oss ra- raa rag ram rao rar ras rga rgg rgo rgr rgs rma rmg rmm rmo rmr rms roa rog rom roo ror ros rra rrg rrm rrr rrs rsa rsg rsm rso rsr rss saa sag sam sao sar sas sga sgg sgm sgo sgr sgs sma smg smm smo smr sms soa sog som soo sor sos sr- sra srg srm sro srr srs ss- ssa ssg ssm sso ssr sss