-ic c-- ccc ccd cci ccm ccs ccx cdc cdd cdi cdm cds cdx ci- cic cid cii cim cis cix cmc cmd cmi cmm cms cmx csc csd csi csm css csx cxc cxi cxs cxx dcc dcd dci dcm dcs dcx ddc ddd ddi ddm dds ddx di- dic did dii dim dis dix dmc dmd dmi dmm dms dmx dsc dsd dsi dsm dss dsx dxc dxd dxi dxs dxx i-d icc icd ici icm ics idc idd idi idm ids idx iic iid iii iim iis iix im- imc imd imi imm ims imx is- isc isd isi ism iss ixc ixi mc- mcc mcd mci mcm mcs mcx mdc mdd mdi mdm mds mdx mi- mic mid mii mim mis mix mmc mmd mmi mmm mms mmx msc msd msi msm mss msx mxc mxd mxi mxs scc scd sci scm scs scx sdc sdd sdi sdm sds sic sid sii sim sis six smc smd smi smm sms smx ss- ssc ssd ssi ssm sss ssx sxc sxi sxm sxs xcd xci xcx xdc xdi xdm xds xic xii xis xix xmc xmd xmi xmm xms xmx xsc xsi xsm xss xxi xxx