-er -ey ddd dde ddn ddo ddp ddr ddy de- ded dee den deo dep der dey dnd dne dnn dno dnp dnr dny dod doe don doo dop dor doy dpd dpe dpn dpo dpp dpr drd dre drn dro drp drr dry dy- dyd dye dyn dyo dyp dyr dyy ed- edd ede edn edo edp edr edy eed eee een eeo eep eer eey en- end ene enn eno enp enr eny eo- eod eoe eon eoo eop eor ep- epd epe epn epo epp epr erd ere ern ero erp err ery eyd eye eyn eyo eyp eyr ndd nde ndn ndo ndp ndr ndy ne- ned nee nen neo nep ner ney nne nnn nno nnp no- nod noe non noo nop nor noy npd npe npn npo npp npr nrd nre nrn nro nrp nrr nry nyd nye nyn nyo nyp nyy odd ode odn odo odp odr oed oee oen oeo oep oer oey on- ond one onn ono onp onr ony oo- ood oon ooo oop oor op- opd ope opn opo opp opr opy or- ord ore orn oro orp orr ory oyd oye oyo p-p pdd pde pdn pdo pdp pdr ped pee pen peo pep per pey pn- pnd pne pnn pno pnp pnr pny pod poe pon poo pop por poy ppd ppe ppn ppo ppp ppr prd pre prn pro prp prr pry py- pyd pye pyn pyo pyr rdd rde rdn rdo rdp rdr rdy re- red ree ren reo rep rer rey rnd rnn rno rnp rnr rny rod roe ron roo rop ror roy rpd rpe rpn rpo rpp rpr rrd rrn rrp rrr ry- ryd rye ryn ryo ryr ryy yde ydn ydo ydy yed yee yen yeo yep yer yey ynd yne ynn ynp yny yod yoe yon yoo yop yor yoy ypd ypo yre yrn yro yrp yye yyy