cccc cccu ccee ccoc cctc cctt ccuc ccut cec- cece ceco cect ceec ceou cet- cete ceto ceux cexe coce coco coct cocu coex coot cotc cote coto cott cotu coue cout coux coxe ctec ctot cucc cuce cut- cutc cute cuto cutt cxxx eccc ecce ecco ecct eco- ecot ecou ect- ectc ecto eeee eeoc eetc eete eetu eext eotc eoto eoux etcc etco etec etee etoe etox ette etto ettu etux exco exec exo- exte o-eo occc occt oce ocee ocet oct- octe octo oec- oecc oeec oooo otee oto- otoe otoo otte otto ottu oucc out- oute outo ouu- oxo- oxox oxxo tccc tccu tctc teco tect teec teet tete teto tett tetu tetx teut text toce toco toee toet toot totc tote toto tott tout tox- toxo toxt tteo ttoe tttt tucc tuco tuet tute tuto tutt tutu tuuo ucut uext uocc utec utto uttu uuoc uuuu uxue xexe xoco xote xout xoxo xuxu xxxo xxxx