-er -ey ddd dde ddf ddn ddo ddp ddr ddy de- ded dee def den deo dep der dey dfd dfe dff dfn dfo dfp dfr dnd dne dnf dnn dno dnp dnr dny dod doe dof don doo dop dor doy dpd dpe dpf dpn dpo dpp dpr drd dre drn dro drp drr dry dy- dyd dye dyn dyo dyp dyr dyy ed- edd ede edf edn edo edp edr edy eed eee eef een eeo eep eer eey ef- efd efe eff efo efp efr en- end ene enf enn eno enp enr eny eo- eod eoe eof eon eoo eop eor ep- epd epe epf epn epo epp epr erd ere erf ern ero erp err ery eyd eye eyn eyo eyp eyr fdd fde fdf fdn fdo fdp fdr fed fee fef fen feo fep fer fey ffd ffe fff ffn ffo ffp ffr ffy fnd fne fnf fnn fnp fnr foe fof fon foo fop for foy fpd fpe fpn fpo fpp fpr fpy frd fre frf frn fro frp frr fry fy- fye fyn fyo fyp ndd nde ndf ndn ndo ndp ndr ndy ne- ned nee nef nen neo nep ner ney nfd nfe nff nfn nfo nfp nfr nne nnf nnn nno nnp no- nod noe nof non noo nop nor noy npd npe npf npn npo npp npr nrd nre nrf nrn nro nrp nrr nry nyd nye nyf nyn nyo nyp nyy odd ode odf odn odo odp odr oed oee oef oen oeo oep oer oey of- ofd ofe off ofn ofo ofp ofr on- ond one onf onn ono onp onr ony oo- ood oof oon ooo oop oor op- opd ope opf opn opo opp opr opy or- ord ore orf orn oro orp orr ory oyd oye oyo p-p pdd pde pdf pdn pdo pdp pdr ped pee pef pen peo pep per pey pfd pfe pff pfn pfo pfp pfr pfy pn- pnd pne pnf pnn pno pnp pnr pny pod poe pof pon poo pop por poy ppd ppe ppf ppn ppo ppp ppr prd pre prf prn pro prp prr pry py- pyd pye pyf pyn pyo pyr rdd rde rdf rdn rdo rdp rdr rdy re- red ree ref ren reo rep rer rey rfd rfe rff rfn rfo rfp rfr rnd rnn rno rnp rnr rny rod roe rof ron roo rop ror roy rpd rpe rpf rpn rpo rpp rpr rrd rrf rrn rrp rrr ry- ryd rye ryf ryn ryo ryr ryy yde ydn ydo ydy yed yee yef yen yeo yep yer yey yfd yfe yff yfr ynd yne ynn ynp yny yod yoe yof yon yoo yop yor yoy ypd ypf ypo yre yrf yrn yro yrp yye yyf yyy