-ic c-- ccc ccg cci ccm ccr ccs cgc cgg cgi cgm cgr cgs ci- cic cig cii cim cir cis cmc cmg cmi cmm cmr cms crc crg cri crm crr crs csc csg csi csm csr css gcc gcg gci gcm gcr gcs ggc ggg ggi ggm ggr ggs gic gig gii gim gir gis gmc gmg gmi gmm gmr gms grc grg gri grm grr grs gsc gsg gsi gsm gsr gss icc icg ici icm icr ics igc igg igi igm igr igs iic iii iim iir iis im- imc img imi imm ims ir- irc irg iri irm irr irs is- isc isg isi ism isr iss m-r mc- mcc mcg mci mcm mcr mcs mgc mgi mgm mgr mgs mi- mic mig mii mim mir mis mmc mmg mmi mmm mmr mms mrc mrg mri mrm mrr mrs msc msg msi msm msr mss rcc rcg rci rcm rcr rcs rgc rgg rgi rgr rgs ric rig rii rim rir ris rmc rmg rmi rmm rmr rms rrc rrg rri rrm rrr rrs rsc rsg rsi rsm rsr rss scc scg sci scm scr scs sgc sgg sgi sgm sgr sgs sic sig sii sim sir sis smc smg smi smm smr sms sr- src srg sri srm srr srs ss- ssc ssg ssi ssm ssr sss