-ic c-- ccc ccd cce cci ccl ccm ccs cdc cdd cde cdi cdl cdm cds ce- cec ced cee cei cel cem ces ci- cic cid cie cii cil cim cis cl- clc cld cle cli cll clm cls cmc cmd cme cmi cml cmm cms csc csd cse csi csl csm css dcc dcd dce dci dcl dcm dcs ddc ddd dde ddi ddl ddm dds de- dec ded dee dei del dem des di- dic did die dii dil dim dis dl- dlc dld dle dli dll dlm dls dmc dmd dme dmi dml dmm dms dsc dsd dse dsi dsl dsm dss ec- ecc ecd ece eci ecl ecm ecs ed- edc edd ede edi edl edm eds eec eed eee eel eem ees eic eid eie eii eil eim eis elc eld ele eli ell elm els em- emc emd eme emi eml emm ems es- esc esd ese esi esl esm ess i-d icc icd ice ici icl icm ics idc idd ide idi idl idm ids ie- iec ied iee iei iel iem ies iic iid iie iii iil iim iis il- ilc ild ile ili ill ilm ils im- imc imd ime imi iml imm ims is- isc isd ise isi isl ism iss lcc lcd lce lci lcl lcm lcs ldc ldd lde ldi ldl ldm lds lec led lee lei lel lem les lic lid lie lii lil lim lis llc lld lle lli lll llm lls lmc lmd lme lmi lml lmm lms lsc lsd lse lsi lsl lsm lss mc- mcc mcd mce mci mcl mcm mcs mdc mdd mde mdi mdl mdm mds mec med mee mei mel mem mes mi- mic mid mie mii mil mim mis mlc mld mle mli mll mlm mls mmc mmd mme mmi mml mmm mms msc msd mse msi msl msm mss scc scd sce sci scl scm scs sdc sdd sde sdi sdl sdm sds se- sec sed see sei sel sem ses sic sid sie sii sil sim sis slc sld sle sli sll slm sls smc smd sme smi sml smm sms ss- ssc ssd sse ssi ssl ssm sss