cccc ccee ccoc cctc cctt cec- cece ceco cect ceec cet- cete ceto cexe ceyx coce coco coct coex coot cotc cote coto cott coty coxe coxy coyo coyt ctec ctot cxxx cyc- cycc cyt- cyte cyto cyy- cyyc eccc ecce ecco ecct eco- ecot ect- ectc ecto eeee eeoc eetc eete eext eotc eoto etcc etco etec etee etoe etox etoy ette etto etty exco exec exo- exte exxy eyec eyet eyey eyot eyte o-eo occc occt oce ocee ocet oct- octe octo octy oec- oecc oeec oeye oeyo oooo ooty otee oto- otoe otoo otoy otte otto oxo- oxox oxxo oxy- oyce oyee tccc tctc teco tect teec teet tete teto tett tetx text teye to-y toce toco toee toet toey toot totc tote toto tott toty tox- toxo toxt toyo toyt tteo ttoe ttoy tttt tyce tyco tyee tyet tyte tyto tytt tyty tyxt xexe xoco xote xoxo xoyo xxxo xxxx xxxy yccc ycee yctc yeet yeot yeox yete yeto yett yext yeye yeyo yoot yote yott yoxe yoye yoyo yyyy