-er a-a aaa aad aae aag aap aar aas ad- ada add ade adg adp adr ads aea aed aee aeg aep aer aes ag- aga agd age agg agp agr ags ap- apa apd ape apg app apr aps ar- ara ard are arg arp arr ars as- asa asd ase asg asp asr ass daa dad dae dag dap dar das dda ddd dde ddg ddp ddr dds de- dea ded dee deg dep der des dga dgd dge dgg dgp dgr dgs dpa dpd dpe dpg dpp dpr dps dra drd dre drg drp drr drs dsa dsd dse dsg dsp dsr dss eaa ead eae eag eap ear eas ed- eda edd ede edg edp edr eds eea eed eee eeg eep eer ees ega egd ege egg egp egr egs ep- epa epd epe epg epp epr eps era erd ere erg erp err ers es- esa esd ese esg esp esr ess g-d g-p gaa gad gae gag gap gar gas gda gdd gde gdp gdr gds ge- gea ged gee geg gep ger ges gga ggd ggg ggp ggr ggs gpa gpd gpe gpg gpp gpr gps gra grd gre grg grp grr grs gsa gsd gse gsg gsp gsr gss p-p paa pad pae pag pap par pas pda pdd pde pdg pdp pdr pds pea ped pee peg pep per pes pga pgd pge pgg pgp pgr pgs ppa ppd ppe ppg ppp ppr pps pra prd pre prg prp prr prs ps- psa psd pse psg psp psr pss ra- raa rad rae rag rap rar ras rda rdd rde rdg rdp rdr rds re- rea red ree reg rep rer res rga rgd rge rgg rgp rgr rgs rpa rpd rpe rpg rpp rpr rps rra rrd rrg rrp rrr rrs rsa rsd rse rsg rsp rsr rss saa sad sae sag sap sar sas sda sdd sde sdg sdp sdr sds se- sea sed see seg sep ser ses sga sgd sge sgg sgp sgr sgs spa spd spe spg spp spr sps sr- sra srd sre srg srp srr srs ss- ssa ssd sse ssg ssp ssr sss