a-a a-z aaa aag aam aao aar aas aaz ag- aga agg agm ago agr ags agz ama amg amm amo amr ams amz aoa aog aom aoo aor aos ar- ara arg arm aro arr ars arz as- asa asg asm aso asr ass asz az- aza azg azm azo azs azz gaa gag gam gao gar gas gaz gga ggg ggm ggo ggr ggs ggz gma gmg gmm gmo gmr gms gmz goa gog gom goo gor gos goz gra grg grm gro grr grs gsa gsg gsm gso gsr gss gza gzo gzr m-o m-r maa mag mam mao mar mas maz mga mgm mgo mgr mgs mgz mma mmg mmm mmo mmr mms mmz moa mog mom moo mor mos moz mra mrg mrm mro mrr mrs mrz msa msg msm mso msr mss mza mzm oaa oag oam oao oar oas oga ogg ogo ogs om- oma omg omm omo omr oms omz oo- ooa oog oom ooo oor oos or- ora org orm oro orr ors orz os- osa osg osm oso osr oss oza ozm ozo ozs ozz ra- raa rag ram rao rar ras raz rga rgg rgo rgr rgs rma rmg rmm rmo rmr rms roa rog rom roo ror ros roz rra rrg rrm rrr rrs rsa rsg rsm rso rsr rss rza rzm rzo saa sag sam sao sar sas saz sga sgg sgm sgo sgr sgs sma smg smm smo smr sms smz soa sog som soo sor sos soz sr- sra srg srm sro srr srs ss- ssa ssg ssm sso ssr sss ssz sza szr z-g zaa zag zam zao zar zas zaz zgg zgs zma zmm zms zo- zoa zog zom zoo zor zos zro zrs zsa zsg zsm zsz zzr zzs zzz