dddd ddre ddry dedd dede deed deer der- dere derr dery dex- dexe dexy deye deyr dhed dhee dher dhye dred dree dreh drey dry- drye dxdr dxed dxrd dxre dxrr dxrx dxxr dxxx dxyr dydd dyde dyed dyeh dyer dyey dyhh dyhr dyr- dyre dyrx dyxr dyxx dyxy dyyr edde eddy ede- edeh eder edex eede eeee eery ehdd eheh eher ehre er-x erde ered erer erre erye eryx exed exer exh- exrx exxy eyed eyer eyey eyre eyry eyyr hdyd hedd hede hedy heed heer hehe herd here herr hery hex- hexe heye heyh heyr hhex hhhh hree hydd hyde hydr hyer hyhe hyrd hyre rder redd rede redh redr redx redy reed rehe rerd rere rery rexx reyd reye rhee rhex rhyd rhye rred rrrr ryde rydy ryeh x-ed xeer xer- xexe xxxx xxxy xyr- ydee ydre yedd yede yeed yeer yehe yehr yerd yere yerr yery yeye yeyr yhed yher yhyd yyyy