-ic c-- ccc cce cci cck ccl ccs ce- cec cee cei cek cel ces ci- cic cie cii cik cil cis ckc cki cks cl- clc cle cli clk cll cls csc cse csi csk csl css ec- ecc ece eci eck ecl ecs eec eee eek eel ees eic eie eii eik eil eis ekc eke eki ekl eks elc ele eli elk ell els es- esc ese esi esk esl ess icc ice ici ick icl ics ie- iec iee iei iek iel ies iic iie iii iil iis ikc ike iki ikk ikl iks il- ilc ile ili ilk ill ils is- isc ise isi isk isl iss kcc kce kci kck kcl kcs ke- kec kee kei kek kel kes kic kie kii kik kil kis kkc kke kki kkk kkl kks kl- klc kli kls ksc kse ksi ksk ksl kss lcc lce lci lck lcl lcs lec lee lei lek lel les lic lie lii lik lil lis lkl lks llc lle lli llk lll lls lsc lse lsi lsk lsl lss scc sce sci sck scl scs se- sec see sei sek sel ses sic sie sii sik sil sis sk- skc ske ski skk skl sks slc sle sli slk sll sls ss- ssc sse ssi ssk ssl sss