cccc cccf ccee ccfc ccff ccoc cctc cctt cec- cece ceco cect ceec cef- cefc cet- cete ceto cexe cfcf cfco cfox cftc cfte coce coco coct coex cofc cofe coff coft coof coot cotc cote coto cott coxe ctcf ctec ctfc ctfo ctot cxxx eccc ecce ecco ecct ecef ecfc eco- ecot ect- ectc ectf ecto eeee eefe eeoc eetc eete eext efco efeo efet eft- eotc eoto etcc etco etec etee etfc etfe etoe etox ette etto exco exec exfo exo- exte fccf fcot fcto fece fect feet fefc fefe feff fefo feof fete fett fext ffcc ffee ffff fftf foce foco fofo foof foot fote foto fott foxe foxx ft-c ftfc o-eo occc occt oce ocee ocef ocet oct- octe octo oec- oecc oeec off- offc offe offo ooff oooo otee otfc oto- otoe otof otoo otte otto oxo- oxof oxox oxxo tccc tcfc tctc teco tect teec teef teet tefc teff teft tete teto tett tetx text tfec tfot tfox tftc toce toco toee toet toff tofo toft toof toot totc tote toto tott tox- toxo toxt tteo ttfc ttff ttoe tttt xefe xexe xfce xoco xote xoxo xxxo xxxx