-ic c-- ccc ccd cce cci ccl ccm cdc cdd cde cdi cdl cdm ce- cec ced cee cei cel cem ci- cic cid cie cii cil cim cl- clc cld cle cli cll clm cmc cmd cme cmi cml cmm dcc dcd dce dci dcl dcm ddc ddd dde ddi ddl ddm de- dec ded dee dei del dem di- dic did die dii dil dim dl- dlc dld dle dli dll dlm dmc dmd dme dmi dml dmm ec- ecc ecd ece eci ecl ecm ed- edc edd ede edi edl edm eec eed eee eel eem eic eid eie eii eil eim elc eld ele eli ell elm em- emc emd eme emi eml emm i-d icc icd ice ici icl icm idc idd ide idi idl idm ie- iec ied iee iei iel iem iic iid iie iii iil iim il- ilc ild ile ili ill ilm im- imc imd ime imi iml imm lcc lcd lce lci lcl lcm ldc ldd lde ldi ldl ldm lec led lee lei lel lem lic lid lie lii lil lim llc lld lle lli lll llm lmc lmd lme lmi lml lmm mc- mcc mcd mce mci mcl mcm mdc mdd mde mdi mdl mdm mec med mee mei mel mem mi- mic mid mie mii mil mim mlc mld mle mli mll mlm mmc mmd mme mmi mml mmm