-ic c-- ccc cce cci ccl ccs ce- cec cee cei cel ces ci- cic cie cii cil cis cl- clc cle cli cll cls csc cse csi csl css ec- ecc ece eci ecl ecs eec eee eel ees eic eie eii eil eis elc ele eli ell els es- esc ese esi esl ess icc ice ici icl ics ie- iec iee iei iel ies iic iie iii iil iis il- ilc ile ili ill ils is- isc ise isi isl iss lcc lce lci lcl lcs lec lee lei lel les lic lie lii lil lis llc lle lli lll lls lsc lse lsi lsl lss scc sce sci scl scs se- sec see sei sel ses sic sie sii sil sis slc sle sli sll sls ss- ssc sse ssi ssl sss