-er a-a aaa aad aae aag aan aao aap aar ad- ada add ade adg adn ado adp adr aea aed aee aeg aen aeo aep aer ag- aga agd age agg agn ago agp agr an- ana and ane ang ann ano anp anr aoa aod aoe aog aon aoo aop aor ap- apa apd ape apg apn apo app apr ar- ara ard are arg arn aro arp arr daa dad dae dag dan dao dap dar dda ddd dde ddg ddn ddo ddp ddr de- dea ded dee deg den deo dep der dga dgd dge dgg dgn dgp dgr dna dnd dne dng dnn dno dnp dnr doa dod doe dog don doo dop dor dpa dpd dpe dpg dpn dpo dpp dpr dra drd dre drg drn dro drp drr eaa ead eae eag ean eao eap ear ed- eda edd ede edg edn edo edp edr eea eed eee eeg een eeo eep eer ega egd ege egg egn ego egp egr en- ena end ene eng enn eno enp enr eo- eoa eod eoe eog eon eoo eop eor ep- epa epd epe epg epn epo epp epr era erd ere erg ern ero erp err g-d g-p gaa gad gae gag gan gao gap gar gda gdd gde gdn gdo gdp gdr ge- gea ged gee geg gen geo gep ger gga ggd ggg ggn ggo ggp ggr gna gnd gne gnn gno gnp gnr goa god goe gog gon goo gop gor gpa gpd gpe gpg gpn gpo gpp gpr gra grd gre grg grn gro grp grr naa nad nae nag nan nao nap nar nda ndd nde ndg ndn ndo ndp ndr ne- nea ned nee neg nen neo nep ner nga ngd nge ngg ngn ngo ngp nna nne nng nnn nno nnp no- noa nod noe nog non noo nop nor npa npd npe npg npn npo npp npr nra nrd nre nrg nrn nro nrp nrr oaa oad oae oag oan oao oap oar oda odd ode odg odn odo odp odr oea oed oee oeg oen oeo oep oer oga ogd oge ogg ogn ogo ogp on- ona ond one ong onn ono onp onr oo- ooa ood oog oon ooo oop oor op- opa opd ope opg opn opo opp opr or- ora ord ore org orn oro orp orr p-p paa pad pae pag pan pao pap par pda pdd pde pdg pdn pdo pdp pdr pea ped pee peg pen peo pep per pga pgd pge pgg pgn pgo pgp pgr pn- pna pnd pne png pnn pno pnp pnr poa pod poe pog pon poo pop por ppa ppd ppe ppg ppn ppo ppp ppr pra prd pre prg prn pro prp prr ra- raa rad rae rag ran rao rap rar rda rdd rde rdg rdn rdo rdp rdr re- rea red ree reg ren reo rep rer rga rgd rge rgg rgn rgo rgp rgr rna rnd rng rnn rno rnp rnr roa rod roe rog ron roo rop ror rpa rpd rpe rpg rpn rpo rpp rpr rra rrd rrg rrn rrp rrr