-er a-a aaa aad aae aag aak aao aap aar aas ad- ada add ade adg adk ado adp adr ads aea aed aee aeg aek aeo aep aer aes ag- aga agd age agg agk ago agp agr ags aka akd ake akg akk ako akp akr aks aoa aod aoe aog aok aoo aop aor aos ap- apa apd ape apg apk apo app apr aps ar- ara ard are arg ark aro arp arr ars as- asa asd ase asg ask aso asp asr ass daa dad dae dag dak dao dap dar das dda ddd dde ddg ddk ddo ddp ddr dds de- dea ded dee deg dek deo dep der des dga dgd dge dgg dgk dgp dgr dgs dka dke dkg dkk dko dkp dkr dks doa dod doe dog dok doo dop dor dos dpa dpd dpe dpg dpk dpo dpp dpr dps dra drd dre drg drk dro drp drr drs dsa dsd dse dsg dsk dso dsp dsr dss eaa ead eae eag eak eao eap ear eas ed- eda edd ede edg edk edo edp edr eds eea eed eee eeg eek eeo eep eer ees ega egd ege egg ego egp egr egs eka ekd eke ekg eko ekp ekr eks eo- eoa eod eoe eog eok eoo eop eor eos ep- epa epd epe epg epo epp epr eps era erd ere erg erk ero erp err ers es- esa esd ese esg esk eso esp esr ess g-d g-p gaa gad gae gag gak gao gap gar gas gda gdd gde gdk gdo gdp gdr gds ge- gea ged gee geg gek geo gep ger ges gga ggd ggg ggo ggp ggr ggs gka gkd gko gkp gks goa god goe gog gok goo gop gor gos gpa gpd gpe gpg gpk gpo gpp gpr gps gra grd gre grg grk gro grp grr grs gsa gsd gse gsg gsk gso gsp gsr gss ka- kaa kad kae kag kak kao kap kar kas kda kde kdg kdk kdo kdp kdr kds ke- kea ked kee keg kek keo kep ker kes kga kgd kgo kgp kgs kke kkk kkp kkr kks koa kod koe kog kok koo kop kor kos kpa kpd kpe kpk kpo kpp kpr kps kra krd krg krk kro krp krr krs ksa ksd kse ksg ksk kso ksp ksr kss oaa oad oae oag oak oao oap oar oas oda odd ode odg odo odp odr ods oea oed oee oeg oeo oep oer oes oga ogd oge ogg ogo ogp ogs oka okd oke okg okk oko okp okr oks oo- ooa ood oog ook ooo oop oor oos op- opa opd ope opg opk opo opp opr ops or- ora ord ore org ork oro orp orr ors os- osa osd ose osg osk oso osp osr oss p-p paa pad pae pag pak pao pap par pas pda pdd pde pdg pdk pdo pdp pdr pds pea ped pee peg pek peo pep per pes pga pgd pge pgg pgk pgo pgp pgr pgs pka pkd pke pkg pko pkp pkr pks poa pod poe pog pok poo pop por pos ppa ppd ppe ppg ppk ppo ppp ppr pps pra prd pre prg prk pro prp prr prs ps- psa psd pse psg psk pso psp psr pss ra- raa rad rae rag rak rao rap rar ras rda rdd rde rdg rdo rdp rdr rds re- rea red ree reg rek reo rep rer res rga rgd rge rgg rgk rgo rgp rgr rgs rke rkg rkk rko rkp rks roa rod roe rog rok roo rop ror ros rpa rpd rpe rpg rpk rpo rpp rpr rps rra rrd rrg rrk rrp rrr rrs rsa rsd rse rsg rsk rso rsp rsr rss saa sad sae sag sak sao sap sar sas sda sdd sde sdg sdk sdo sdp sdr sds se- sea sed see seg sek seo sep ser ses sga sgd sge sgg sgk sgo sgp sgr sgs sk- ska skd ske skg skk sko skp skr sks soa sod soe sog sok soo sop sor sos spa spd spe spg spk spo spp spr sps sr- sra srd sre srg srk sro srp srr srs ss- ssa ssd sse ssg ssk sso ssp ssr sss