-ic c-- ccc ccd cce cci ccm ccp cdc cdd cde cdi cdm cdp ce- cec ced cee cei cem cep ci- cic cid cie cii cim cip cmc cmd cme cmi cmm cmp cpc cpd cpe cpi cpm cpp dcc dcd dce dci dcm dcp ddc ddd dde ddi ddm ddp de- dec ded dee dei dem dep di- dic did die dii dim dip dmc dmd dme dmi dmm dmp dpc dpd dpe dpi dpm dpp ec- ecc ecd ece eci ecm ed- edc edd ede edi edm edp eec eed eee eem eep eic eid eie eii eim eip em- emc emd eme emi emm emp ep- epc epd epe epi epm epp i-d icc icd ice ici icm icp idc idd ide idi idm idp ie- iec ied iee iei iem iep iic iid iie iii iim iip im- imc imd ime imi imm imp ipc ipd ipe ipi ipm ipp mc- mcc mcd mce mci mcm mcp mdc mdd mde mdi mdm mdp mec med mee mei mem mep mi- mic mid mie mii mim mip mmc mmd mme mmi mmm mmp mpc mpd mpe mpi mpm mpp p-p pcc pcd pce pci pcm pcp pdc pdd pde pdi pdm pdp pec ped pee pei pem pep pic pid pie pii pim pip pmc pmd pme pmi pmm pmp ppc ppd ppe ppi ppm ppp