-ic c-- ccc cci cck ccl ccs ci- cic cii cik cil cis ckc cki cks cl- clc cli clk cll cls csc csi csk csl css icc ici ick icl ics iic iii iil iis ikc iki ikk ikl iks il- ilc ili ilk ill ils is- isc isi isk isl iss kcc kci kck kcl kcs kic kii kik kil kis kkc kki kkk kkl kks kl- klc kli kls ksc ksi ksk ksl kss lcc lci lck lcl lcs lic lii lik lil lis lkl lks llc lli llk lll lls lsc lsi lsk lsl lss scc sci sck scl scs sic sii sik sil sis sk- skc ski skk skl sks slc sli slk sll sls ss- ssc ssi ssk ssl sss