-er -ey ddd dde ddn ddo ddr ddt ddu ddy de- ded dee den deo der det deu dey dnd dne dnn dno dnr dnt dny dod doe don doo dor dot dou doy drd dre drn dro drr drt dru dry dtd dte dtn dto dtr dtt dtu dty dud due dun duo dur dut duy dy- dyd dye dyn dyo dyr dyu dyy ed- edd ede edn edo edr edt edu edy eed eee een eeo eer eet eey en- end ene enn eno enr ent enu eny eo- eod eoe eon eoo eor eot eou erd ere ern ero err ert eru ery etd ete etn eto etr ett etu ety eu- eud eue eun eur eut eyd eye eyn eyo eyr eyt ndd nde ndn ndo ndr ndt ndu ndy ne- ned nee nen neo ner net neu ney nne nnn nno nnt nnu no- nod noe non noo nor not nou noy nrd nre nrn nro nrr nrt nru nry ntd nte ntn nto ntr ntt ntu nud nue nun nuo nur nut nuu nuy nyd nye nyn nyo nyt nyu nyy odd ode odn odo odr odt odu oed oee oen oeo oer oet oey on- ond one onn ono onr ont onu ony oo- ood oon ooo oor oot or- ord ore orn oro orr ort oru ory ot- otd ote otn oto otr ott otu ou- oud oue oun ouo our out oyd oye oyo rdd rde rdn rdo rdr rdt rdu rdy re- red ree ren reo rer ret reu rey rnd rnn rno rnr rnt rnu rny rod roe ron roo ror rot rou roy rrd rrn rrr rrt rru rtd rte rtn rto rtr rtt rtu rty rud rue run ruo rur rut ruu ruy ry- ryd rye ryn ryo ryr ryu ryy tdd tde tdn tdo tdr tdt tdu tdy te- ted tee ten teo ter tet teu tey tnd tne tnn tno tnr tnt to- tod toe ton too tor tot tou toy trd tre trn tro trr trt tru try ttd tte ttn tto ttr ttt ttu tty tud tue tun tuo tur tut tuu tuy tyd tye tyn tyo tyr tyt udd ude udn udo udr udt udu ued uee uen uer uet uey un- und une unn uno unr unt unu uny uod uoe uon uoo uor uot ur- urd ure urn uro urr urt uru ury utd ute utn uto utr utt utu uty uue uun uur uut uuu uyo uyu yde ydn ydo ydt ydy yed yee yen yeo yer yet yey ynd yne ynn ynu yny yod yoe yon yoo yor yot you yoy yre yrn yro yrt yru ytd yte ytn yto ytr ytt ytu yud yue yun yuo yur yut yuu yuy yye yyt yyu yyy