cccc cccf cccl ccee ccel ccfc ccff ccfl cclc ccoc cctc cctl cctt cec- cece ceco cect ceec ceel cef- cefc cel- celc cele celf cell celo celt ceol cet- cete ceto cfcf cfcl cfco cftc cfte cftl clec clee clef cleo clet cloe clof cloo clot cltc coce coco coct coel cofc cofe coff coft col- cole coll colo colt coof cool coot cotc cote coto cott ctcf ctec ctfc ctfo ctle ctol ctot e-cl eccc ecce eccl ecco ecct ecef ecfc eclt eco- ecol ecot ect- ectc ectf ecto eeee eefe eefl eele eeoc eetc eete efco efeo efet eft- elce elco elec elee elef eleo elet elfc elfe elft elle ello elte elto eole eolo eotc eoto etcc etco etec etee etel etfc etfe etoe ette etto fccf fcot fcto fece fect feel feet fefc fefe feff fefo fele felf fell felo felt feof fete fett ffcc ffee ffff fftf flcl flee flet floc floe floo flot foce foco fofo folc fole foll folo folt foof fool foot fote foto fott ft-c ft-l ftfc lccc lcce lcfc lctl lcto lece leco lect leef leel leet lefe leff left lele lell lelo leoc leof lete leto lett lfcc llcc llef llet lllc llll lloc lloo locc loce loco lofe loff loft lole loll lolo looc looe loof lool loot lote lotl loto lott ltcc ltee ltfc lttc o-eo occc occt oce ocee ocef ocet oclc oct- octe octo oec- oecc oeec oele ofcl off- offc offe offo olcc ole- olef oleo olet olfe olle ollo olof olot ooff oolo oooo otcl otee otfc oto- otoe otof otoo otte otto tccc tcfc tctc tecl teco tect teec teef teel teet tefc teff tefl teft tel- telc tele tell telo telt tete teto tett tfec tfot tftc tlco toce toco toee toet toff tofo toft tol- tole toll tolo tolt toof tool toot totc tote toto tott tteo ttfc ttff ttoe tttt