d-ix dddd ddie ddre dedd dede dedi dedu deed deer deid deie deir der- dere deri derr deue deur deux dex- dexe dide didi didu died dier dieu diex diii dird dire dirr diux dixi dred dree drei drie drix drue drui druu dudd dude dudu duer duid duir dure duri duru duur dxdr dxed dxii dxix dxrd dxre dxrr dxrx dxue dxur dxxr dxxx edde eddi ede- edei eder edex edie edru edur eede eedu eeee eid- eide eidi eidr eidu eied eiei eier eird eire er-x erde erdi ered erei erer erie eriu erre erur eude euer eur- eure exed exer exid exrx ided idee ider idex idid idie idir idre iedr ieie iere ieri ieud iide iied iiie iiii ired iree irer irex iri- irid irie irix irre irri iuiu ixxi rder redd rede redi redr redu redx reed reid reii reir reiu rerd rere reri reru reue reuu reux rexx ridd ride ridi ridx ried rier rieu riex rire riri riue rixe rred rrrr rudd rude rudi rued ruer ruid rurd rure ruri ruru ruud u-ie uddi uder udid udir ueir uirr urde urdu ure- ured urex urie uriu urix urre urri urur uuri uuuu uxue x-ed xeer xer- xexe xidi xiii xixi xuri xuxu xxii xxix xxxi xxxx