cccc ccci ccee ccic ccii ccoc cctc cctt cec- cece ceci ceco cect ceec cet- cete ceti ceto cicc cici cico cict ciee ciii ciit cite citi cito citt coce coco coct coit coot cotc cote coti coto cott ctec ctic ctot eccc ecce ecci ecco ecct ecit eco- ecot ect- ectc ecto eeee eeoc eetc eete eico eiec eiei eitc eiti eito eotc eoto etcc etco etec etee etic etio etoe ette etti etto iccc icci icco icct icec icee icet icoc iecc ieet ieie ieio iett iiie iiii iiio iiit iioi iioo iitt ioci ioee ioii ioio ioit iooi iooo iote ioto itec itet itic itie itoi itoo itto o-eo occc occi occt oce ocee ocet oct- octe octi octo oec- oecc oeec oeti oici oiii oitc oiti oooo otee otic otit oto- otoe otoo otte otti otto tccc tctc teco tect teec teet teic teie tete teti teto tett ticc tice tico tie- tiee tiei tieo tiet tiit titc tite titi tito titt toce toci toco toee toei toet toie toit toot totc tote toti toto tott tteo ttoe tttt