a-a aaa aag aan aao aap aar aas ag- aga agg agn ago agp agr ags an- ana ang ann ano anp anr ans aoa aog aon aoo aop aor aos ap- apa apg apn apo app apr aps ar- ara arg arn aro arp arr ars as- asa asg asn aso asp asr ass g-p gaa gag gan gao gap gar gas gga ggg ggn ggo ggp ggr ggs gna gnn gno gnp gnr gns goa gog gon goo gop gor gos gpa gpg gpn gpo gpp gpr gps gra grg grn gro grp grr grs gsa gsg gsn gso gsp gsr gss naa nag nan nao nap nar nas nga ngg ngn ngo ngp ngs nna nng nnn nno nnp nns no- noa nog non noo nop nor nos npa npg npn npo npp npr nps nra nrg nrn nro nrp nrr nrs nsa nsg nsn nso nsp nsr nss oaa oag oan oao oap oar oas oga ogg ogn ogo ogp ogs on- ona ong onn ono onp onr ons oo- ooa oog oon ooo oop oor oos op- opa opg opn opo opp opr ops or- ora org orn oro orp orr ors os- osa osg osn oso osp osr oss p-p paa pag pan pao pap par pas pga pgg pgn pgo pgp pgr pgs pn- pna png pnn pno pnp pnr pns poa pog pon poo pop por pos ppa ppg ppn ppo ppp ppr pps pra prg prn pro prp prr prs ps- psa psg psn pso psp psr pss ra- raa rag ran rao rap rar ras rga rgg rgn rgo rgp rgr rgs rna rng rnn rno rnp rnr rns roa rog ron roo rop ror ros rpa rpg rpn rpo rpp rpr rps rra rrg rrn rrp rrr rrs rsa rsg rsn rso rsp rsr rss saa sag san sao sap sar sas sga sgg sgn sgo sgp sgr sgs sna sng snn sno snp snr sns soa sog son soo sop sor sos spa spg spn spo spp spr sps sr- sra srg srn sro srp srr srs ss- ssa ssg ssn sso ssp ssr sss