-ic c-- ccc ccd cce ccf cci ccm cdc cdd cde cdf cdi cdm ce- cec ced cee cef cei cem cfc cfd cfe cff cfi cfm ci- cic cid cie cif cii cim cmc cmd cme cmf cmi cmm dcc dcd dce dcf dci dcm ddc ddd dde ddf ddi ddm de- dec ded dee def dei dem dfc dfd dfe dff dfi dfm di- dic did die dif dii dim dmc dmd dme dmf dmi dmm ec- ecc ecd ece ecf eci ecm ed- edc edd ede edf edi edm eec eed eee eef eem ef- efc efd efe eff efi efm eic eid eie eif eii eim em- emc emd eme emf emi emm fcc fcd fce fcf fci fcm fdc fdd fde fdf fdi fdm fec fed fee fef fei fem ffc ffd ffe fff ffi ffm fic fid fie fif fii fim fmc fmd fme fmf fmi fmm i-d i-f icc icd ice icf ici icm idc idd ide idf idi idm ie- iec ied iee ief iei iem ifc ifd ife iff ifi ifm iic iid iie iif iii iim im- imc imd ime imf imi imm m-f mc- mcc mcd mce mcf mci mcm mdc mdd mde mdf mdi mdm mec med mee mef mei mem mfc mfd mfe mff mfi mfm mi- mic mid mie mif mii mim mmc mmd mme mmf mmi mmm