a-a aaa aag aan aao aar aas ag- aga agg agn ago agr ags an- ana ang ann ano anr ans aoa aog aon aoo aor aos ar- ara arg arn aro arr ars as- asa asg asn aso asr ass gaa gag gan gao gar gas gga ggg ggn ggo ggr ggs gna gnn gno gnr gns goa gog gon goo gor gos gra grg grn gro grr grs gsa gsg gsn gso gsr gss naa nag nan nao nar nas nga ngg ngn ngo ngs nna nng nnn nno nns no- noa nog non noo nor nos nra nrg nrn nro nrr nrs nsa nsg nsn nso nsr nss oaa oag oan oao oar oas oga ogg ogn ogo ogs on- ona ong onn ono onr ons oo- ooa oog oon ooo oor oos or- ora org orn oro orr ors os- osa osg osn oso osr oss ra- raa rag ran rao rar ras rga rgg rgn rgo rgr rgs rna rng rnn rno rnr rns roa rog ron roo ror ros rra rrg rrn rrr rrs rsa rsg rsn rso rsr rss saa sag san sao sar sas sga sgg sgn sgo sgr sgs sna sng snn sno snr sns soa sog son soo sor sos sr- sra srg srn sro srr srs ss- ssa ssg ssn sso ssr sss