-ic c-- ccc ccd cci ccl ccm ccx cdc cdd cdi cdl cdm cdx ci- cic cid cii cil cim cix cl- clc cld cli cll clm clx cmc cmd cmi cml cmm cmx cxc cxi cxl cxx dcc dcd dci dcl dcm dcx ddc ddd ddi ddl ddm ddx di- dic did dii dil dim dix dl- dlc dld dli dll dlm dlx dmc dmd dmi dml dmm dmx dxc dxd dxi dxl dxx i-d icc icd ici icl icm idc idd idi idl idm idx iic iid iii iil iim iix il- ilc ild ili ill ilm ilx im- imc imd imi iml imm imx ixc ixi ixl lcc lcd lci lcl lcm lcx ldc ldd ldi ldl ldm lic lid lii lil lim lix llc lld lli lll llm lmc lmd lmi lml lmm lxc lxd lxi lxx mc- mcc mcd mci mcl mcm mcx mdc mdd mdi mdl mdm mdx mi- mic mid mii mil mim mix mlc mld mli mll mlm mlx mmc mmd mmi mml mmm mmx mxc mxd mxi mxl xcd xci xcl xcx xdc xdi xdm xic xii xix xld xli xlm xmc xmd xmi xml xmm xmx xxi xxl xxx