-er a-a aaa aae aag aan aao aap aar aas aea aee aeg aen aeo aep aer aes ag- aga age agg agn ago agp agr ags an- ana ane ang ann ano anp anr ans aoa aoe aog aon aoo aop aor aos ap- apa ape apg apn apo app apr aps ar- ara are arg arn aro arp arr ars as- asa ase asg asn aso asp asr ass eaa eae eag ean eao eap ear eas eea eee eeg een eeo eep eer ees ega ege egg egn ego egp egr egs en- ena ene eng enn eno enp enr ens eo- eoa eoe eog eon eoo eop eor eos ep- epa epe epg epn epo epp epr eps era ere erg ern ero erp err ers es- esa ese esg esn eso esp esr ess g-p gaa gae gag gan gao gap gar gas ge- gea gee geg gen geo gep ger ges gga ggg ggn ggo ggp ggr ggs gna gne gnn gno gnp gnr gns goa goe gog gon goo gop gor gos gpa gpe gpg gpn gpo gpp gpr gps gra gre grg grn gro grp grr grs gsa gse gsg gsn gso gsp gsr gss naa nae nag nan nao nap nar nas ne- nea nee neg nen neo nep ner nes nga nge ngg ngn ngo ngp ngs nna nne nng nnn nno nnp nns no- noa noe nog non noo nop nor nos npa npe npg npn npo npp npr nps nra nre nrg nrn nro nrp nrr nrs nsa nse nsg nsn nso nsp nsr nss oaa oae oag oan oao oap oar oas oea oee oeg oen oeo oep oer oes oga oge ogg ogn ogo ogp ogs on- ona one ong onn ono onp onr ons oo- ooa oog oon ooo oop oor oos op- opa ope opg opn opo opp opr ops or- ora ore org orn oro orp orr ors os- osa ose osg osn oso osp osr oss p-p paa pae pag pan pao pap par pas pea pee peg pen peo pep per pes pga pge pgg pgn pgo pgp pgr pgs pn- pna pne png pnn pno pnp pnr pns poa poe pog pon poo pop por pos ppa ppe ppg ppn ppo ppp ppr pps pra pre prg prn pro prp prr prs ps- psa pse psg psn pso psp psr pss ra- raa rae rag ran rao rap rar ras re- rea ree reg ren reo rep rer res rga rge rgg rgn rgo rgp rgr rgs rna rng rnn rno rnp rnr rns roa roe rog ron roo rop ror ros rpa rpe rpg rpn rpo rpp rpr rps rra rrg rrn rrp rrr rrs rsa rse rsg rsn rso rsp rsr rss saa sae sag san sao sap sar sas se- sea see seg sen seo sep ser ses sga sge sgg sgn sgo sgp sgr sgs sna sne sng snn sno snp snr sns soa soe sog son soo sop sor sos spa spe spg spn spo spp spr sps sr- sra sre srg srn sro srp srr srs ss- ssa sse ssg ssn sso ssp ssr sss