-ic c-- ccc ccd cce ccf cci ccm ccs cdc cdd cde cdf cdi cdm cds ce- cec ced cee cef cei cem ces cfc cfd cfe cff cfi cfm cfs ci- cic cid cie cif cii cim cis cmc cmd cme cmf cmi cmm cms csc csd cse csf csi csm css dcc dcd dce dcf dci dcm dcs ddc ddd dde ddf ddi ddm dds de- dec ded dee def dei dem des dfc dfd dfe dff dfi dfm dfs di- dic did die dif dii dim dis dmc dmd dme dmf dmi dmm dms dsc dsd dse dsf dsi dsm dss ec- ecc ecd ece ecf eci ecm ecs ed- edc edd ede edf edi edm eds eec eed eee eef eem ees ef- efc efd efe eff efi efm efs eic eid eie eif eii eim eis em- emc emd eme emf emi emm ems es- esc esd ese esf esi esm ess fcc fcd fce fcf fci fcm fcs fdc fdd fde fdf fdi fdm fds fec fed fee fef fei fem fes ffc ffd ffe fff ffi ffm ffs fic fid fie fif fii fim fis fmc fmd fme fmf fmi fmm fms fsc fsd fse fsf fsi fsm fss i-d i-f icc icd ice icf ici icm ics idc idd ide idf idi idm ids ie- iec ied iee ief iei iem ies ifc ifd ife iff ifi ifm ifs iic iid iie iif iii iim iis im- imc imd ime imf imi imm ims is- isc isd ise isf isi ism iss m-f mc- mcc mcd mce mcf mci mcm mcs mdc mdd mde mdf mdi mdm mds mec med mee mef mei mem mes mfc mfd mfe mff mfi mfm mfs mi- mic mid mie mif mii mim mis mmc mmd mme mmf mmi mmm mms msc msd mse msf msi msm mss scc scd sce scf sci scm scs sdc sdd sde sdf sdi sdm sds se- sec sed see sef sei sem ses sfc sfd sfe sff sfi sfm sfs sic sid sie sif sii sim sis smc smd sme smf smi smm sms ss- ssc ssd sse ssf ssi ssm sss