a-a a-i aaa aad aaf aag aai aao aap aar ad- ada add adf adg adi ado adp adr af- afa afd aff afg afi afo afp afr ag- aga agd agf agg agi ago agp agr ai- aia aid aif aig aii aio aip air aoa aod aof aog aoi aoo aop aor ap- apa apd apf apg api apo app apr ar- ara ard arf arg ari aro arp arr daa dad daf dag dai dao dap dar dda ddd ddf ddg ddi ddo ddp ddr dfa dfd dff dfg dfi dfo dfp dfr dga dgd dgf dgg dgi dgp dgr di- dia did dif dig dii dio dip dir doa dod dof dog doi doo dop dor dpa dpd dpf dpg dpi dpo dpp dpr dra drd drg dri dro drp drr faa fad faf fag fai fao fap far fda fdd fdf fdg fdi fdo fdp fdr ffa ffd fff ffg ffi ffo ffp ffr fga fgd fgf fgg fgi fgp fgr fia fid fif fig fii fip fir foa fof fog foi foo fop for fpa fpd fpg fpi fpo fpp fpr fra frd frf frg fri fro frp frr g-d g-p gaa gad gaf gag gai gao gap gar gda gdd gdf gdi gdo gdp gdr gfa gfd gff gfi gfo gfp gfr gga ggd ggg ggi ggo ggp ggr gia gid gif gig gii gio gip gir goa god gof gog goi goo gop gor gpa gpd gpf gpg gpi gpo gpp gpr gra grd grf grg gri gro grp grr i-d i-f ia- iaa iad iaf iag iai iao iap iar ida idd idf idg idi ido idp idr ifa ifd iff ifg ifi ifo ifp ifr iga igd igf igg igi igo igp igr iia iid iif iii iio iip iir io- ioa iod iof iog ioi ioo iop ior ipa ipd ipf ipg ipi ipo ipp ipr ir- ira ird irf irg iri iro irp irr o-i oaa oad oaf oag oai oao oap oar oda odd odf odg odi odo odp odr of- ofa ofd off ofg ofi ofo ofp ofr oga ogd ogf ogg ogi ogo ogp oia oid oif oii oio oip oir oo- ooa ood oof oog ooi ooo oop oor op- opa opd opf opg opi opo opp opr or- ora ord orf org ori oro orp orr p-p paa pad paf pag pai pao pap par pda pdd pdf pdg pdi pdo pdp pdr pfa pfd pff pfg pfi pfo pfp pfr pga pgd pgf pgg pgi pgo pgp pgr pia pid pif pig pii pio pip pir poa pod pof pog poi poo pop por ppa ppd ppf ppg ppi ppo ppp ppr pra prd prf prg pri pro prp prr ra- raa rad raf rag rai rao rap rar rda rdd rdf rdg rdi rdo rdp rdr rfa rfd rff rfg rfi rfo rfp rfr rga rgd rgf rgg rgi rgo rgp rgr ria rid rif rig rii rio rip rir roa rod rof rog roi roo rop ror rpa rpd rpf rpg rpi rpo rpp rpr rra rrd rrf rrg rri rrp rrr