-er a-a aaa aad aae aao aap aar ad- ada add ade ado adp adr aea aed aee aeo aep aer aoa aod aoe aoo aop aor ap- apa apd ape apo app apr ar- ara ard are aro arp arr daa dad dae dao dap dar dda ddd dde ddo ddp ddr de- dea ded dee deo dep der doa dod doe doo dop dor dpa dpd dpe dpo dpp dpr dra drd dre dro drp drr eaa ead eae eao eap ear ed- eda edd ede edo edp edr eea eed eee eeo eep eer eo- eoa eod eoe eoo eop eor ep- epa epd epe epo epp epr era erd ere ero erp err oaa oad oae oao oap oar oda odd ode odo odp odr oea oed oee oeo oep oer oo- ooa ood ooo oop oor op- opa opd ope opo opp opr or- ora ord ore oro orp orr p-p paa pad pae pao pap par pda pdd pde pdo pdp pdr pea ped pee peo pep per poa pod poe poo pop por ppa ppd ppe ppo ppp ppr pra prd pre pro prp prr ra- raa rad rae rao rap rar rda rdd rde rdo rdp rdr re- rea red ree reo rep rer roa rod roe roo rop ror rpa rpd rpe rpo rpp rpr rra rrd rrp rrr