-er a-a aaa aad aae aan aao aap aar ad- ada add ade adn ado adp adr aea aed aee aen aeo aep aer an- ana and ane ann ano anp anr aoa aod aoe aon aoo aop aor ap- apa apd ape apn apo app apr ar- ara ard are arn aro arp arr daa dad dae dan dao dap dar dda ddd dde ddn ddo ddp ddr de- dea ded dee den deo dep der dna dnd dne dnn dno dnp dnr doa dod doe don doo dop dor dpa dpd dpe dpn dpo dpp dpr dra drd dre drn dro drp drr eaa ead eae ean eao eap ear ed- eda edd ede edn edo edp edr eea eed eee een eeo eep eer en- ena end ene enn eno enp enr eo- eoa eod eoe eon eoo eop eor ep- epa epd epe epn epo epp epr era erd ere ern ero erp err naa nad nae nan nao nap nar nda ndd nde ndn ndo ndp ndr ne- nea ned nee nen neo nep ner nna nne nnn nno nnp no- noa nod noe non noo nop nor npa npd npe npn npo npp npr nra nrd nre nrn nro nrp nrr oaa oad oae oan oao oap oar oda odd ode odn odo odp odr oea oed oee oen oeo oep oer on- ona ond one onn ono onp onr oo- ooa ood oon ooo oop oor op- opa opd ope opn opo opp opr or- ora ord ore orn oro orp orr p-p paa pad pae pan pao pap par pda pdd pde pdn pdo pdp pdr pea ped pee pen peo pep per pn- pna pnd pne pnn pno pnp pnr poa pod poe pon poo pop por ppa ppd ppe ppn ppo ppp ppr pra prd pre prn pro prp prr ra- raa rad rae ran rao rap rar rda rdd rde rdn rdo rdp rdr re- rea red ree ren reo rep rer rna rnd rnn rno rnp rnr roa rod roe ron roo rop ror rpa rpd rpe rpn rpo rpp rpr rra rrd rrn rrp rrr