cccc cccl cccu ccee ccel cclc ccoc cctc cctl cctt ccuc ccut cec- cece ceco cect ceec ceel cel- celc cele cell celo celt ceol ceou cet- cete ceto clec clee cleo clet cleu cloe cloo clot clou cltc clue clut coce coco coct cocu coel col- cole coll colo colt colu cool coot cotc cote coto cott cotu coue coul cout ctec ctle ctol ctot cucc cuce culc cule cull culo cult cut- cutc cute cuto cutt e-cl eccc ecce eccl ecco ecct eclt eco- ecol ecot ecou ect- ectc ecto eeee eele eeoc eetc eete eetu elce elco elec elee eleo elet elle ello ellu elte elto elue elul eole eolo eotc eoto etcc etco etec etee etel etoe ette etto ettu eule lccc lcce lctl lcto le-u lece leco lect leel leet lele lell lelo lelu leoc leou lete leto lett leuc llcc llet lleu lllc llll lloc lloo locc loce loco locu loeu lole loll lolo looc looe lool loot lote lotl loto lott loue loul lout louu ltcc ltee lttc ltuc luce lule lull lulu lute o-eo occc occt oce ocee ocet oclc oct- octe octo ocul oec- oecc oeec oele olcc ole- oleo olet olle ollo olot oltu oolo oooo otcl otee oto- otoe otoo otte otto ottu oucc oule oulu out- oute outo ouu- tccc tccu tctc tcul tecl teco tect teec teel teet tel- telc tele tell telo telt telu tete teto tett tetu teut tlco toce toco toee toet tol- tole toll tolo tolt tolu tool toot totc tote toto tott toul tout tteo ttoe tttt ttul tucc tuco tuel tuet tule tull tulo tulu tute tutl tuto tutt tutu tuuo ucel ucut uele uell ulcc ulco ulee uleo ulle ullo ulo- uloc ulto ultt ulul uocc uolc utec utel utto uttu uulu uuoc uuuu