a-a aaa aag aak aan aao aar aas ag- aga agg agk agn ago agr ags aka akg akk akn ako akr aks an- ana ang ank ann ano anr ans aoa aog aok aon aoo aor aos ar- ara arg ark arn aro arr ars as- asa asg ask asn aso asr ass gaa gag gak gan gao gar gas gga ggg ggn ggo ggr ggs gka gkn gko gks gna gnn gno gnr gns goa gog gok gon goo gor gos gra grg grk grn gro grr grs gsa gsg gsk gsn gso gsr gss ka- kaa kag kak kan kao kar kas kga kgo kgs kkk kkn kkr kks kn- kna kng knk knn kno knr koa kog kok kon koo kor kos kra krg krk krn kro krr krs ksa ksg ksk ksn kso ksr kss naa nag nak nan nao nar nas nga ngg ngk ngn ngo ngs nka nkk nkn nko nkr nks nna nng nnk nnn nno nns no- noa nog nok non noo nor nos nra nrg nrk nrn nro nrr nrs nsa nsg nsk nsn nso nsr nss oaa oag oak oan oao oar oas oga ogg ogn ogo ogs oka okg okk oko okr oks on- ona ong onk onn ono onr ons oo- ooa oog ook oon ooo oor oos or- ora org ork orn oro orr ors os- osa osg osk osn oso osr oss ra- raa rag rak ran rao rar ras rga rgg rgk rgn rgo rgr rgs rkg rkk rko rks rna rng rnn rno rnr rns roa rog rok ron roo ror ros rra rrg rrk rrn rrr rrs rsa rsg rsk rsn rso rsr rss saa sag sak san sao sar sas sga sgg sgk sgn sgo sgr sgs sk- ska skg skk sko skr sks sna sng snk snn sno snr sns soa sog sok son soo sor sos sr- sra srg srk srn sro srr srs ss- ssa ssg ssk ssn sso ssr sss