cccc cccl cccu ccee ccel cclc ccrc ccre ccrl ccrt cctc cctl cctt ccuc ccut cec- cece cect ceec ceel cel- celc cele cell celt cer- cerc cere cerl cert cet- cete clec clee cler clet cleu cltc clue clut crcc crce crcr cre- crec cree cret creu crrt crtc crtl crue crut ctec ctle ctrc ctrl cucc cuce cuer culc cule cull cult cure curl curr curt cut- cutc cute cutt e-cl eccc ecce eccl ecct eclt ecrc ecrl ecrr ecru ect- ectc eeee eele eerc eetc eete eetu elce elec elee eler elet elle ellu elte elue elul ercc erce erec erel erer eret erle erll errc erre ertl ertu eruc erur etcc etec etee etel eter etre ette ettu euer eule eur- eurc eure eurt lccc lcce lcer lcrl lctl le-u lece lect leel leer leet lele lell lelu lerc lere lert lete lett leuc leur llcc llet lleu lllc llll lrrc lrrr ltcc ltee lttc lttr ltuc luce luer lule lull lulu lure lurt lute rccc rcet rcle rctc recc rece recr rect recu reel reet rele rell relt rere rert reru rete retr rett reue reul reut reuu rlee rleu rrle rrrr rtcc rtce rtee rtle rtlt ruce ruct ruel ruer ruet rule rull rurc rure ruru rute rutl rutt rutu tccc tccu tctc tcul tecl tecr tect teec teel teer teet tel- telc tele tell telt telu ter- terc tere terr teru tete tetr tett tetu teut trcc trcl tre- trec tree tret treu trtc trte trtr truc true trut truu tter tttt ttul tucc tuel tuer tuet tule tull tulu turc ture turr turt turu tute tutl tutt tutu ucel ucrc ucut uele uell ulcc ulee ulle ullr ultt ulul ure- uret urle urre urte urur urut utec utel uter uttu uulu uuuu