-er a-a a-c aaa aac aad aae aag aah aap aar aas ac- aca acc acd ace acg ach acp acr acs ad- ada adc add ade adg adh adp adr ads aea aec aed aee aeg aeh aep aer aes ag- aga agc agd age agg agh agp agr ags aha ahc ahd ahe ahg ahh ahp ahr ahs ap- apa apc apd ape apg aph app apr aps ar- ara arc ard are arg arh arp arr ars as- asa asc asd ase asg ash asp asr ass c-- caa cac cad cae cag cah cap car cas cca ccc ccd cce ccg cch ccp ccr ccs cda cdc cdd cde cdg cdh cdp cdr cds ce- cea cec ced cee ceg ceh cep cer ces cga cgc cgd cge cgg cgh cgp cgr cgs ch- cha chc chd che chg chh chp chr chs cpa cpc cpd cpe cpg cph cpp cpr cps cra crc crd cre crg crh crp crr crs csa csc csd cse csg csh csp csr css daa dac dad dae dag dah dap dar das dca dcc dcd dce dcg dcp dcr dcs dda ddc ddd dde ddg ddh ddp ddr dds de- dea dec ded dee deg deh dep der des dga dgc dgd dge dgg dgh dgp dgr dgs dh- dha dhc dhd dhe dhh dhp dhr dhs dpa dpc dpd dpe dpg dph dpp dpr dps dra drc drd dre drg drp drr drs dsa dsc dsd dse dsg dsh dsp dsr dss eaa eac ead eae eag eah eap ear eas ec- eca ecc ecd ece ecg ech ecr ecs ed- eda edc edd ede edg edh edp edr eds eea eec eed eee eeg eep eer ees ega egc egd ege egg egh egp egr egs eha ehc ehd ehe ehg ehh ehp ehr ehs ep- epa epc epd epe epg eph epp epr eps era erc erd ere erg erh erp err ers es- esa esc esd ese esg esh esp esr ess g-d g-p gaa gac gad gae gag gah gap gar gas gca gcc gcd gce gcg gch gcp gcr gcs gda gdc gdd gde gdh gdp gdr gds ge- gea gec ged gee geg geh gep ger ges gga ggc ggd ggg ggh ggp ggr ggs gha ghc ghd ghe ghg ghh ghp ghr ghs gpa gpc gpd gpe gpg gph gpp gpr gps gra grc grd gre grg grh grp grr grs gsa gsc gsd gse gsg gsp gsr gss haa hac had hae hag hah hap har has hca hcc hcd hce hcg hch hcp hcr hcs hda hdc hdd hde hdg hdh hdp hdr hds he- hea hec hed hee heg heh hep her hes hga hgc hge hgg hgh hgp hgr hgs hha hhc hhd hhe hhg hhh hhp hhr hhs hpa hpc hpd hpe hpg hph hpp hpr hps hr- hra hrc hrd hre hrg hrh hrp hrr hrs hsa hsc hsd hse hsg hsh hsp hsr hss p-p paa pac pad pae pag pah pap par pas pca pcc pcd pce pcg pch pcp pcr pcs pda pdc pdd pde pdg pdh pdp pdr pds pea pec ped pee peg peh pep per pes pga pgc pgd pge pgg pgh pgp pgr pgs pha phc phd phe phg php phr phs ppa ppc ppd ppe ppg pph ppp ppr pps pra prc prd pre prg prh prp prr prs ps- psa psc psd pse psg psh psp psr pss ra- raa rac rad rae rag rah rap rar ras rca rcc rcd rce rcg rch rcp rcr rcs rda rdc rdd rde rdg rdh rdp rdr rds re- rea rec red ree reg reh rep rer res rga rgc rgd rge rgg rgh rgp rgr rgs rh- rha rhc rhd rhe rhg rhh rhp rhr rhs rpa rpc rpd rpe rpg rph rpp rpr rps rra rrc rrd rrg rrh rrp rrr rrs rsa rsc rsd rse rsg rsh rsp rsr rss saa sac sad sae sag sah sap sar sas sca scc scd sce scg sch scp scr scs sda sdc sdd sde sdg sdh sdp sdr sds se- sea sec sed see seg seh sep ser ses sga sgc sgd sge sgg sgh sgp sgr sgs sh- sha shc shd she shg shh shp shr shs spa spc spd spe spg sph spp spr sps sr- sra src srd sre srg srh srp srr srs ss- ssa ssc ssd sse ssg ssh ssp ssr sss