cccc ccee ccrc ccre ccrt cctc cctt cec- cece cect ceec cer- cerc cere cert cet- cete cewe crcc crce crcr cre- crec cree cret crew crrt crtc ctec ctrc cttw cwer cwrw eccc ecce ecct ecrc ecrr ect- ectc eeee eerc eetc eete ercc erce erec erer eret erew errc erre erwt etcc etec etee eter etre ette ewer ewew ewre ewte rccc rcet rctc recc rece recr rect reet rere rert rete retr rett rewe rrrr rtcc rtce rtee tccc tctc tecr tect teec teer teet ter- terc tere terr tete tetr tett trcc tre- trec tree tret trew trtc trte trtr trwe tter tttt twee twer wccc wcce wccr wcct wccw wcec wcee wcer wcet wcrc wcre wcrr wcrt wcrw wctc wcte wctr wctt wctw wcwc wecc wecr wect wecw weec weer weet wer- werc were werr wert werw wetc wete wetr wett wewc wewe wrce wrcr wrct wrcw wrec wree wrer wret wrew wrrc wrre wrrw wrtc wrte wrtr wrtw wrwc wrwr wtcc wtcr wtct wtcw wtrc wtre wtrt wtrw wttc wtte wttr wttt wttw wtwr wtwt wtww wwcr wwct wwcw wwec wwer wwet wwrc wwre wwrr wwrw wwtc wwtr wwtw wwwc wwwe wwwr wwww