-ic c-- ccc ccd cce cci ccz cdc cdd cde cdi cdz ce- cec ced cee cei cez ci- cic cid cie cii cz- czc czd cze dcc dcd dce dci ddc ddd dde ddi ddz de- dec ded dee dei dez di- dic did die dii diz dzd dze dzi ec- ecc ecd ece eci ed- edc edd ede edi eec eed eee eic eid eie eii eze ezz i-d icc icd ice ici icz idc idd ide idi ie- iec ied iee iei iic iid iie iii ize izi izz zce zec zed zee zez zid zie ziz zzz