c-cd cccc cccl cccu ccdc ccdr cced ccee ccel cclc cclx ccrc ccre ccrl ccuc ccxl cd-e cd-r cddl cddr cdec cder cdex cdre cdxl cec- cece cedd cede cedu ceec ceel cel- celc cele cell cer- cerc cerd cere cerl ceux cexe clcd cldc cldr clec cled clee cler cleu clrd clud clue clux clxx crcc crce crcr crdc cre- crec cred cree creu crex crud crue crux cucc cuce cude cued cuer culc culd cule cull curd cure curl curr cxxx dccc dccl dccu dcxl dcxx dddd ddlc ddrc ddre dec- decc decd dece decl dedd dede dedu deed deel deer deld dele dell der- derc dere derr deue deul deur deux dex- dexe dlux dred dree drel drue druu duce dudd dude dudu duel duer dulc dule dull dulu dure duru duul duur dxcc dxcl dxdc dxdr dxec dxed dxel dxll dxlr dxrd dxre dxrl dxrr dxrx dxue dxur dxxl dxxr dxxx e-cl eccc ecce eccl ecdc ecdl eced ecrc ecrl ecrr ecru eddc edde ede- edel eder edex edle edru educ edur edxl eede eedu eeee eele eerc elce elde eldr elec eled elee eler elex elle ellu elue elul er-x ercc erce erde erec ered erel erer erld erle erll errc erre eruc erur eucd eude euer eule eur- eurc eure excl exec exed exel exer exrx exul lccc lcce lcdd lcdr lcer lcrd lcrl le-u lece lede leed leel leer lele lell lelu lerc lerd lere leuc leud leur lexx llcc lldc lleu lllc llll llud lrdd lrrc lrrr luce ludd lude lued luer lule lull lulu lurd lure luxe lxde lxxx rccc rcdc rcde rcle rcrd rder recc recd rece recr recu redc redd rede redl redr redu redx reed reel reld rele rell rerd rere reru reue reul reuu reux rexx rlee rleu rred rrle rrrr ruce rudd rude rudl rued ruel ruer rule rull rurc rurd rure ruru ruud ucdc ucdd ucel ucrc udel uder uele uell ulcc ulde ulee ulex ulle ullr ulul urde urdu ure- ured urex urle urre urur uulu uuuu uxue uxul x-ed xcel xdcc xeer xer- xexe xrcd xuld xuxu xxxx