-er -ey ddd dde ddn ddo ddr ddu ddy de- ded dee den deo der deu dey dnd dne dnn dno dnr dny dod doe don doo dor dou doy drd dre drn dro drr dru dry dud due dun duo dur duy dy- dyd dye dyn dyo dyr dyu dyy ed- edd ede edn edo edr edu edy eed eee een eeo eer eey en- end ene enn eno enr enu eny eo- eod eoe eon eoo eor eou erd ere ern ero err eru ery eu- eud eue eun eur eyd eye eyn eyo eyr ndd nde ndn ndo ndr ndu ndy ne- ned nee nen neo ner neu ney nne nnn nno nnu no- nod noe non noo nor nou noy nrd nre nrn nro nrr nru nry nud nue nun nuo nur nuu nuy nyd nye nyn nyo nyu nyy odd ode odn odo odr odu oed oee oen oeo oer oey on- ond one onn ono onr onu ony oo- ood oon ooo oor or- ord ore orn oro orr oru ory ou- oud oue oun ouo our oyd oye oyo rdd rde rdn rdo rdr rdu rdy re- red ree ren reo rer reu rey rnd rnn rno rnr rnu rny rod roe ron roo ror rou roy rrd rrn rrr rru rud rue run ruo rur ruu ruy ry- ryd rye ryn ryo ryr ryu ryy udd ude udn udo udr udu ued uee uen uer uey un- und une unn uno unr unu uny uod uoe uon uoo uor ur- urd ure urn uro urr uru ury uue uun uur uuu uyo uyu yde ydn ydo ydy yed yee yen yeo yer yey ynd yne ynn ynu yny yod yoe yon yoo yor you yoy yre yrn yro yru yud yue yun yuo yur yuu yuy yye yyu yyy