-er a-a aaa aad aae aaf aan aao aap aar ad- ada add ade adf adn ado adp adr aea aed aee aef aen aeo aep aer af- afa afd afe aff afn afo afp afr an- ana and ane anf ann ano anp anr aoa aod aoe aof aon aoo aop aor ap- apa apd ape apf apn apo app apr ar- ara ard are arf arn aro arp arr daa dad dae daf dan dao dap dar dda ddd dde ddf ddn ddo ddp ddr de- dea ded dee def den deo dep der dfa dfd dfe dff dfn dfo dfp dfr dna dnd dne dnf dnn dno dnp dnr doa dod doe dof don doo dop dor dpa dpd dpe dpf dpn dpo dpp dpr dra drd dre drn dro drp drr eaa ead eae eaf ean eao eap ear ed- eda edd ede edf edn edo edp edr eea eed eee eef een eeo eep eer ef- efa efd efe eff efo efp efr en- ena end ene enf enn eno enp enr eo- eoa eod eoe eof eon eoo eop eor ep- epa epd epe epf epn epo epp epr era erd ere erf ern ero erp err faa fad fae faf fan fao fap far fda fdd fde fdf fdn fdo fdp fdr fea fed fee fef fen feo fep fer ffa ffd ffe fff ffn ffo ffp ffr fna fnd fne fnf fnn fnp fnr foa foe fof fon foo fop for fpa fpd fpe fpn fpo fpp fpr fra frd fre frf frn fro frp frr naa nad nae naf nan nao nap nar nda ndd nde ndf ndn ndo ndp ndr ne- nea ned nee nef nen neo nep ner nfa nfd nfe nff nfn nfo nfp nfr nna nne nnf nnn nno nnp no- noa nod noe nof non noo nop nor npa npd npe npf npn npo npp npr nra nrd nre nrf nrn nro nrp nrr oaa oad oae oaf oan oao oap oar oda odd ode odf odn odo odp odr oea oed oee oef oen oeo oep oer of- ofa ofd ofe off ofn ofo ofp ofr on- ona ond one onf onn ono onp onr oo- ooa ood oof oon ooo oop oor op- opa opd ope opf opn opo opp opr or- ora ord ore orf orn oro orp orr p-p paa pad pae paf pan pao pap par pda pdd pde pdf pdn pdo pdp pdr pea ped pee pef pen peo pep per pfa pfd pfe pff pfn pfo pfp pfr pn- pna pnd pne pnf pnn pno pnp pnr poa pod poe pof pon poo pop por ppa ppd ppe ppf ppn ppo ppp ppr pra prd pre prf prn pro prp prr ra- raa rad rae raf ran rao rap rar rda rdd rde rdf rdn rdo rdp rdr re- rea red ree ref ren reo rep rer rfa rfd rfe rff rfn rfo rfp rfr rna rnd rnn rno rnp rnr roa rod roe rof ron roo rop ror rpa rpd rpe rpf rpn rpo rpp rpr rra rrd rrf rrn rrp rrr