-ic c-- ccc ccd cce cci cck ccm cdc cdd cde cdi cdk cdm ce- cec ced cee cei cek cem ci- cic cid cie cii cik cim ckc ckd cki ckm cmc cmd cme cmi cmk cmm dcc dcd dce dci dck dcm ddc ddd dde ddi ddk ddm de- dec ded dee dei dek dem di- dic did die dii dik dim dkc dke dki dkk dkm dmc dmd dme dmi dmk dmm ec- ecc ecd ece eci eck ecm ed- edc edd ede edi edk edm eec eed eee eek eem eic eid eie eii eik eim ekc ekd eke eki em- emc emd eme emi emk emm i-d icc icd ice ici ick icm idc idd ide idi idk idm ie- iec ied iee iei iek iem iic iid iie iii iim ikc ike iki ikk im- imc imd ime imi imm kcc kcd kce kci kck kcm kdc kde kdk kdm ke- kec ked kee kei kek kem kic kid kie kii kik kim kkc kke kki kkk kkm kmc kmd kme kmi kmk kmm mc- mcc mcd mce mci mck mcm mdc mdd mde mdi mdk mdm mec med mee mei mek mem mi- mic mid mie mii mik mim mkc mkd mke mkk mkm mmc mmd mme mmi mmk mmm