-ic c-- ccc ccd cce cci ccl cdc cdd cde cdi cdl ce- cec ced cee cei cel ci- cic cid cie cii cil cl- clc cld cle cli cll dcc dcd dce dci dcl ddc ddd dde ddi ddl de- dec ded dee dei del di- dic did die dii dil dl- dlc dld dle dli dll ec- ecc ecd ece eci ecl ed- edc edd ede edi edl eec eed eee eel eic eid eie eii eil elc eld ele eli ell i-d icc icd ice ici icl idc idd ide idi idl ie- iec ied iee iei iel iic iid iie iii iil il- ilc ild ile ili ill lcc lcd lce lci lcl ldc ldd lde ldi ldl lec led lee lei lel lic lid lie lii lil llc lld lle lli lll