c-cd cccc ccdc ccdr cced ccee ccrc ccre ccrt cctc cctt cd-e cd-r cddr cdec cder cdre cec- cece cect cedd cede cedt ceec cer- cerc cerd cere cert cet- cete cewe crcc crce crcr crdc cre- crec cred cree cret crew crrt crtc crwd ctec ctrc cttw cwer cwrw dccc dcct dctc dddd ddrc ddre dec- decc decd dece dect dedd dede deed deer deet der- derc dere derr dete detr dewe dred dree dret drew dtcc dted dwct dwcw dwdd dwec dwer dwet dwrd dwrt dwrw dwte dwwe dwww eccc ecce ecct ecdc eced ecrc ecrr ect- ectc eddc edde ede- eder eede eeee eerc eetc eete ercc erce erde erec ered erer eret erew errc erre erwt etcc etec etee eter etre ette ewer ewew ewre ewte rccc rcdc rcde rcet rcrd rctc rder recc recd rece recr rect redc redd rede redr reed reet rerd rere rert retd rete retr rett rewe rred rrrr rtcc rtce rtdt rtee tccc tcdd tctc tecr tect tedd tede teec teed teer teet ter- terc tere terr tete tetr tett trcc tre- trec tred tree tret trew trtc trte trtr trwe tter tttt twdt twee twer wccc wccd wcce wccr wcct wccw wcdc wcdd wcde wcdt wcdw wcec wced wcee wcer wcet wcrc wcre wcrr wcrt wcrw wctc wcte wctr wctt wctw wcwc wdcc wdcd wdce wdcr wdct wdcw wddc wddd wdde wddw wdec wded wder wdet wdrc wdre wdrr wdrt wdte wdtr wdtw wdwd wdwr wecc wecr wect wecw wedc wedd wede wedr wedt wedw weec weed weer weet wer- werc werd were werr wert werw wetc wetd wete wetr wett wewc wewe wrcd wrce wrcr wrct wrcw wrdc wrdd wrdr wrdt wrdw wrec wred wree wrer wret wrew wrrc wrrd wrre wrrw wrtc wrte wrtr wrtw wrwc wrwd wrwr wtcc wtcr wtct wtcw wtdr wtrc wtre wtrt wtrw wttc wtte wttr wttt wttw wtwr wtwt wtww wwcd wwcr wwct wwcw wwdc wwdr wwdw wwec wwer wwet wwrc wwrd wwre wwrr wwrw wwtc wwtd wwtr wwtw wwwc wwwe wwwr wwww