-er a-a aaa aad aae aag aan aap aar aas ad- ada add ade adg adn adp adr ads aea aed aee aeg aen aep aer aes ag- aga agd age agg agn agp agr ags an- ana and ane ang ann anp anr ans ap- apa apd ape apg apn app apr aps ar- ara ard are arg arn arp arr ars as- asa asd ase asg asn asp asr ass daa dad dae dag dan dap dar das dda ddd dde ddg ddn ddp ddr dds de- dea ded dee deg den dep der des dga dgd dge dgg dgn dgp dgr dgs dna dnd dne dng dnn dnp dnr dns dpa dpd dpe dpg dpn dpp dpr dps dra drd dre drg drn drp drr drs dsa dsd dse dsg dsn dsp dsr dss eaa ead eae eag ean eap ear eas ed- eda edd ede edg edn edp edr eds eea eed eee eeg een eep eer ees ega egd ege egg egn egp egr egs en- ena end ene eng enn enp enr ens ep- epa epd epe epg epn epp epr eps era erd ere erg ern erp err ers es- esa esd ese esg esn esp esr ess g-d g-p gaa gad gae gag gan gap gar gas gda gdd gde gdn gdp gdr gds ge- gea ged gee geg gen gep ger ges gga ggd ggg ggn ggp ggr ggs gna gnd gne gnn gnp gnr gns gpa gpd gpe gpg gpn gpp gpr gps gra grd gre grg grn grp grr grs gsa gsd gse gsg gsn gsp gsr gss naa nad nae nag nan nap nar nas nda ndd nde ndg ndn ndp ndr nds ne- nea ned nee neg nen nep ner nes nga ngd nge ngg ngn ngp ngs nna nne nng nnn nnp nns npa npd npe npg npn npp npr nps nra nrd nre nrg nrn nrp nrr nrs nsa nsd nse nsg nsn nsp nsr nss p-p paa pad pae pag pan pap par pas pda pdd pde pdg pdn pdp pdr pds pea ped pee peg pen pep per pes pga pgd pge pgg pgn pgp pgr pgs pn- pna pnd pne png pnn pnp pnr pns ppa ppd ppe ppg ppn ppp ppr pps pra prd pre prg prn prp prr prs ps- psa psd pse psg psn psp psr pss ra- raa rad rae rag ran rap rar ras rda rdd rde rdg rdn rdp rdr rds re- rea red ree reg ren rep rer res rga rgd rge rgg rgn rgp rgr rgs rna rnd rng rnn rnp rnr rns rpa rpd rpe rpg rpn rpp rpr rps rra rrd rrg rrn rrp rrr rrs rsa rsd rse rsg rsn rsp rsr rss saa sad sae sag san sap sar sas sda sdd sde sdg sdn sdp sdr sds se- sea sed see seg sen sep ser ses sga sgd sge sgg sgn sgp sgr sgs sna snd sne sng snn snp snr sns spa spd spe spg spn spp spr sps sr- sra srd sre srg srn srp srr srs ss- ssa ssd sse ssg ssn ssp ssr sss