-ic c-- ccc ccd cce cci ccm cdc cdd cde cdi cdm ce- cec ced cee cei cem ci- cic cid cie cii cim cmc cmd cme cmi cmm dcc dcd dce dci dcm ddc ddd dde ddi ddm de- dec ded dee dei dem di- dic did die dii dim dmc dmd dme dmi dmm ec- ecc ecd ece eci ecm ed- edc edd ede edi edm eec eed eee eem eic eid eie eii eim em- emc emd eme emi emm i-d icc icd ice ici icm idc idd ide idi idm ie- iec ied iee iei iem iic iid iie iii iim im- imc imd ime imi imm mc- mcc mcd mce mci mcm mdc mdd mde mdi mdm mec med mee mei mem mi- mic mid mie mii mim mmc mmd mme mmi mmm