a-a a-c aaa aac aad aag aao aap aar ac- aca acc acd acg aco acp acr ad- ada adc add adg ado adp adr ag- aga agc agd agg ago agp agr aoa aoc aod aog aoo aop aor ap- apa apc apd apg apo app apr ar- ara arc ard arg aro arp arr c-- caa cac cad cag cao cap car cca ccc ccd ccg cco ccp ccr cda cdc cdd cdg cdo cdp cdr cga cgc cgd cgg cgo cgp cgr co- coa coc cod cog coo cop cor cpa cpc cpd cpg cpo cpp cpr cra crc crd crg cro crp crr daa dac dad dag dao dap dar dca dcc dcd dcg dco dcp dcr dda ddc ddd ddg ddo ddp ddr dga dgc dgd dgg dgp dgr doa doc dod dog doo dop dor dpa dpc dpd dpg dpo dpp dpr dra drc drd drg dro drp drr g-d g-p gaa gac gad gag gao gap gar gca gcc gcd gcg gco gcp gcr gda gdc gdd gdo gdp gdr gga ggc ggd ggg ggo ggp ggr goa goc god gog goo gop gor gpa gpc gpd gpg gpo gpp gpr gra grc grd grg gro grp grr oaa oac oad oag oao oap oar oc- oca occ ocd ocg oco ocp ocr oda odc odd odg odo odp odr oga ogc ogd ogg ogo ogp oo- ooa ooc ood oog ooo oop oor op- opa opc opd opg opo opp opr or- ora orc ord org oro orp orr p-p paa pac pad pag pao pap par pca pcc pcd pcg pco pcp pcr pda pdc pdd pdg pdo pdp pdr pga pgc pgd pgg pgo pgp pgr poa poc pod pog poo pop por ppa ppc ppd ppg ppo ppp ppr pra prc prd prg pro prp prr ra- raa rac rad rag rao rap rar rca rcc rcd rcg rco rcp rcr rda rdc rdd rdg rdo rdp rdr rga rgc rgd rgg rgo rgp rgr roa roc rod rog roo rop ror rpa rpc rpd rpg rpo rpp rpr rra rrc rrd rrg rrp rrr