-ey ddd dde ddk ddn ddo ddy de- ded dee dek den deo dey dke dkk dko dnd dne dnk dnn dno dny dod doe dok don doo doy dy- dyd dye dyk dyn dyo dyy ed- edd ede edk edn edo edy eed eee eek een eeo eey ekd eke eko eky en- end ene enk enn eno eny eo- eod eoe eok eon eoo eyd eye eyn eyo kde kdk kdo kdy ke- ked kee kek ken keo key kke kkk kkn kky kn- knd kne knk knn kno kod koe kok kon koo koy kyd kye kyn kyo ndd nde ndk ndn ndo ndy ne- ned nee nek nen neo ney nke nkk nkn nko nky nne nnk nnn nno no- nod noe nok non noo noy nyd nye nyk nyn nyo nyy odd ode odn odo oed oee oen oeo oey okd oke okk oko on- ond one onk onn ono ony oo- ood ook oon ooo oyd oye oyo yde ydn ydo ydy yed yee yek yen yeo yey ykk ykn ynd yne ynk ynn yny yod yoe yok yon yoo yoy yye yyy