dddd ddre ddry dedd dede dedu deed deef deek deer defe deff defy dek- deke der- dere derf derk derr dery deue deuk deur deye deyf deyr dfer dfrf dkey dred dree dref drek drey drue druk druu dry- drye dryf dudd dude dudu duer duey duff dufu dufy duke duku dure durk duru dury duur duyr dydd dyde dyed dyer dyey dyf- dyke dykr dyku dyr- dyre dyrf dyrk dyru dyur dyyr edde eddy ede- eder edfu edru edur eede eedu eeee eefe eeke eery effy efke eked ekek eker ekur erde erdf ered erer erke erre erur erye eude euer eur- eure eury eyed eyer eyey eyke eyre eyry eyyr f--k fdry fede feed feek feer fefe feff feke ferd fere ferk ferr feru fery feud feyr ffee ffff ffrr fred free frey frue frye fudd fude fuff fufu fuke fukk fuku fur- fure furr fury fuyu fyfe fyke fyrd fyre fyrk fyry kddd kddf kddk kddr kdef kdfr kdkd kdkk kdkr kdrf kdry kdur kdyk kedd kede kedr kedy keed keef keek keer keff kefr keke keku ker- kere kerf kerk kerr keru keur keye keyf keyu keyy kfed kfer kfff kffk kfrd kfre kfrr kfru kfry kfyr kkdd kkdy kked kkfr kkkk kkre kkrf kkrk kkrr kkuu kkyy krdd krde krdr krdu krdy kred kree kref krek kreu krfd krfe krff krkd krke krkk krkr krku krky krre krrf krrk krrr krry krue kruf kruk krur kryd krye kryk kryy kudd kude kudu kued kuek kueu kuff kufr kuke kukk kuku kuky kurd kure kurk kurr kuru kury kuuk kuur kuuu kuyu kuyy kydd kyde kydy kyee kyfr kykd kyke kykk kykr kyky kyre kyrf kyrk kyuk kyur kyuu kyyk kyyy rder redd rede redr redu redy reed reef reek refd refe reff refr refu reke reky rerd rere reru rery reue reuf reuk reuu reyd reye reyk rfef rkkf rred rrrr rudd rude rudy rued ruer rufe ruff ruke rukk ruku rurd rure ruru ruud ruyd ryde rydy ryfe ryff ryke ryue ryuk ryyf uder uduk ufer uffe ufuk ukek ukeu ukky ukur urde urdu urdy ure- ured urey urfe urff urke urre urry uruk urur uuuu uyre ydee ydre ye-u yedd yede yeed yeek yeer yefe yeff yeke yerd yere yerk yerr yery yeue yeuk yeye yeyr yfed ykey yrke yude yudu yued yuer yuff yufu yuke yuku yuky yurd yure yury yuye yuyu yyfe yyff yyyy