-er -ey ddd dde ddn ddo ddp ddr ddt ddy de- ded dee den deo dep der det dey dnd dne dnn dno dnp dnr dnt dny dod doe don doo dop dor dot doy dpd dpe dpn dpo dpp dpr dpt drd dre drn dro drp drr drt dry dtd dte dtn dto dtp dtr dtt dty dy- dyd dye dyn dyo dyp dyr dyy ed- edd ede edn edo edp edr edt edy eed eee een eeo eep eer eet eey en- end ene enn eno enp enr ent eny eo- eod eoe eon eoo eop eor eot ep- epd epe epn epo epp epr ept erd ere ern ero erp err ert ery etd ete etn eto etp etr ett ety eyd eye eyn eyo eyp eyr eyt ndd nde ndn ndo ndp ndr ndt ndy ne- ned nee nen neo nep ner net ney nne nnn nno nnp nnt no- nod noe non noo nop nor not noy npd npe npn npo npp npr npt nrd nre nrn nro nrp nrr nrt nry ntd nte ntn nto ntp ntr ntt nyd nye nyn nyo nyp nyt nyy odd ode odn odo odp odr odt oed oee oen oeo oep oer oet oey on- ond one onn ono onp onr ont ony oo- ood oon ooo oop oor oot op- opd ope opn opo opp opr opt opy or- ord ore orn oro orp orr ort ory ot- otd ote otn oto otp otr ott oyd oye oyo p-p pdd pde pdn pdo pdp pdr pdt ped pee pen peo pep per pet pey pn- pnd pne pnn pno pnp pnr pnt pny pod poe pon poo pop por pot poy ppd ppe ppn ppo ppp ppr ppt prd pre prn pro prp prr prt pry pt- ptd pte ptn pto ptp ptr ptt pty py- pyd pye pyn pyo pyr pyt rdd rde rdn rdo rdp rdr rdt rdy re- red ree ren reo rep rer ret rey rnd rnn rno rnp rnr rnt rny rod roe ron roo rop ror rot roy rpd rpe rpn rpo rpp rpr rpt rrd rrn rrp rrr rrt rtd rte rtn rto rtp rtr rtt rty ry- ryd rye ryn ryo ryr ryy tdd tde tdn tdo tdp tdr tdt tdy te- ted tee ten teo tep ter tet tey tnd tne tnn tno tnp tnr tnt to- tod toe ton too top tor tot toy tpd tpe tpn tpo tpp tpr tpt trd tre trn tro trp trr trt try ttd tte ttn tto ttp ttr ttt tty tyd tye tyn tyo typ tyr tyt yde ydn ydo ydt ydy yed yee yen yeo yep yer yet yey ynd yne ynn ynp yny yod yoe yon yoo yop yor yot yoy ypd ypo yre yrn yro yrp yrt ytd yte ytn yto ytp ytr ytt yye yyt yyy