-er -ey ddd dde ddn ddo ddr ddt ddy de- ded dee den deo der det dey dnd dne dnn dno dnr dnt dny dod doe don doo dor dot doy drd dre drn dro drr drt dry dtd dte dtn dto dtr dtt dty dy- dyd dye dyn dyo dyr dyy ed- edd ede edn edo edr edt edy eed eee een eeo eer eet eey en- end ene enn eno enr ent eny eo- eod eoe eon eoo eor eot erd ere ern ero err ert ery etd ete etn eto etr ett ety eyd eye eyn eyo eyr eyt ndd nde ndn ndo ndr ndt ndy ne- ned nee nen neo ner net ney nne nnn nno nnt no- nod noe non noo nor not noy nrd nre nrn nro nrr nrt nry ntd nte ntn nto ntr ntt nyd nye nyn nyo nyt nyy odd ode odn odo odr odt oed oee oen oeo oer oet oey on- ond one onn ono onr ont ony oo- ood oon ooo oor oot or- ord ore orn oro orr ort ory ot- otd ote otn oto otr ott oyd oye oyo rdd rde rdn rdo rdr rdt rdy re- red ree ren reo rer ret rey rnd rnn rno rnr rnt rny rod roe ron roo ror rot roy rrd rrn rrr rrt rtd rte rtn rto rtr rtt rty ry- ryd rye ryn ryo ryr ryy tdd tde tdn tdo tdr tdt tdy te- ted tee ten teo ter tet tey tnd tne tnn tno tnr tnt to- tod toe ton too tor tot toy trd tre trn tro trr trt try ttd tte ttn tto ttr ttt tty tyd tye tyn tyo tyr tyt yde ydn ydo ydt ydy yed yee yen yeo yer yet yey ynd yne ynn yny yod yoe yon yoo yor yot yoy yre yrn yro yrt ytd yte ytn yto ytr ytt yye yyt yyy