-er ddd dde ddf ddh ddo ddp ddr de- ded dee def deh deo dep der dfd dfe dff dfh dfo dfp dfr dh- dhd dhe dhf dhh dho dhp dhr dod doe dof doh doo dop dor dpd dpe dpf dph dpo dpp dpr drd dre dro drp drr ed- edd ede edf edh edo edp edr eed eee eef eeo eep eer ef- efd efe eff efh efo efp efr ehd ehe ehf ehh eho ehp ehr eo- eod eoe eof eoh eoo eop eor ep- epd epe epf eph epo epp epr erd ere erf erh ero erp err fdd fde fdf fdh fdo fdp fdr fed fee fef feh feo fep fer ffd ffe fff ffh ffo ffp ffr fhe fhf fhh fho fhp fhr foe fof foh foo fop for fpd fpe fph fpo fpp fpr frd fre frf frh fro frp frr hdd hde hdf hdh hdo hdp hdr he- hed hee hef heh heo hep her hfd hfe hff hfh hfo hfp hfr hhd hhe hhf hhh hho hhp hhr hod hoe hof hoh hoo hop hor hpd hpe hpf hph hpo hpp hpr hr- hrd hre hrf hrh hro hrp hrr odd ode odf odh odo odp odr oed oee oef oeh oeo oep oer of- ofd ofe off ofo ofp ofr ohd ohe ohf ohh oho ohp ohr oo- ood oof ooh ooo oop oor op- opd ope opf oph opo opp opr or- ord ore orf orh oro orp orr p-p pdd pde pdf pdh pdo pdp pdr ped pee pef peh peo pep per pfd pfe pff pfo pfp pfr phd phe phf pho php phr pod poe pof poh poo pop por ppd ppe ppf pph ppo ppp ppr prd pre prf prh pro prp prr rdd rde rdf rdh rdo rdp rdr re- red ree ref reh reo rep rer rfd rfe rff rfh rfo rfp rfr rh- rhd rhe rhf rhh rho rhp rhr rod roe rof roh roo rop ror rpd rpe rpf rph rpo rpp rpr rrd rrf rrh rrp rrr