-ic c-- ccc cce cci cck ccm ccs ce- cec cee cei cek cem ces ci- cic cie cii cik cim cis ckc cki ckm cks cmc cme cmi cmk cmm cms csc cse csi csk csm css ec- ecc ece eci eck ecm ecs eec eee eek eem ees eic eie eii eik eim eis ekc eke eki eks em- emc eme emi emk emm ems es- esc ese esi esk esm ess icc ice ici ick icm ics ie- iec iee iei iek iem ies iic iie iii iim iis ikc ike iki ikk iks im- imc ime imi imm ims is- isc ise isi isk ism iss kcc kce kci kck kcm kcs ke- kec kee kei kek kem kes kic kie kii kik kim kis kkc kke kki kkk kkm kks kmc kme kmi kmk kmm kms ksc kse ksi ksk ksm kss mc- mcc mce mci mck mcm mcs mec mee mei mek mem mes mi- mic mie mii mik mim mis mkc mke mkk mkm mks mmc mme mmi mmk mmm mms msc mse msi msk msm mss scc sce sci sck scm scs se- sec see sei sek sem ses sic sie sii sik sim sis sk- skc ske ski skk skm sks smc sme smi smk smm sms ss- ssc sse ssi ssk ssm sss