a-a aaa aad aaf aag aao aap aar ad- ada add adf adg ado adp adr af- afa afd aff afg afo afp afr ag- aga agd agf agg ago agp agr aoa aod aof aog aoo aop aor ap- apa apd apf apg apo app apr ar- ara ard arf arg aro arp arr daa dad daf dag dao dap dar dda ddd ddf ddg ddo ddp ddr dfa dfd dff dfg dfo dfp dfr dga dgd dgf dgg dgp dgr doa dod dof dog doo dop dor dpa dpd dpf dpg dpo dpp dpr dra drd drg dro drp drr faa fad faf fag fao fap far fda fdd fdf fdg fdo fdp fdr ffa ffd fff ffg ffo ffp ffr fga fgd fgf fgg fgp fgr foa fof fog foo fop for fpa fpd fpg fpo fpp fpr fra frd frf frg fro frp frr g-d g-p gaa gad gaf gag gao gap gar gda gdd gdf gdo gdp gdr gfa gfd gff gfo gfp gfr gga ggd ggg ggo ggp ggr goa god gof gog goo gop gor gpa gpd gpf gpg gpo gpp gpr gra grd grf grg gro grp grr oaa oad oaf oag oao oap oar oda odd odf odg odo odp odr of- ofa ofd off ofg ofo ofp ofr oga ogd ogf ogg ogo ogp oo- ooa ood oof oog ooo oop oor op- opa opd opf opg opo opp opr or- ora ord orf org oro orp orr p-p paa pad paf pag pao pap par pda pdd pdf pdg pdo pdp pdr pfa pfd pff pfg pfo pfp pfr pga pgd pgf pgg pgo pgp pgr poa pod pof pog poo pop por ppa ppd ppf ppg ppo ppp ppr pra prd prf prg pro prp prr ra- raa rad raf rag rao rap rar rda rdd rdf rdg rdo rdp rdr rfa rfd rff rfg rfo rfp rfr rga rgd rgf rgg rgo rgp rgr roa rod rof rog roo rop ror rpa rpd rpf rpg rpo rpp rpr rra rrd rrf rrg rrp rrr