-ic c-- ccc ccg cci cck ccm ccs cgc cgg cgi cgm cgs ci- cic cig cii cik cim cis ckc cki ckm cks cmc cmg cmi cmk cmm cms csc csg csi csk csm css gcc gcg gci gck gcm gcs ggc ggg ggi ggm ggs gic gig gii gik gim gis gkm gks gmc gmg gmi gmm gms gsc gsg gsi gsk gsm gss icc icg ici ick icm ics igc igg igi igk igm igs iic iii iim iis ikc iki ikk iks im- imc img imi imm ims is- isc isg isi isk ism iss kcc kcg kci kck kcm kcs kgc kgi kgm kgs kic kig kii kik kim kis kkc kki kkk kkm kks kmc kmg kmi kmk kmm kms ksc ksg ksi ksk ksm kss mc- mcc mcg mci mck mcm mcs mgc mgi mgk mgm mgs mi- mic mig mii mik mim mis mkc mkg mkk mkm mks mmc mmg mmi mmk mmm mms msc msg msi msk msm mss scc scg sci sck scm scs sgc sgg sgi sgk sgm sgs sic sig sii sik sim sis sk- skc skg ski skk skm sks smc smg smi smk smm sms ss- ssc ssg ssi ssk ssm sss