-ic c-- ccc ccg cci ccm cco ccs cgc cgg cgi cgm cgo cgs ci- cic cig cii cim cio cis cmc cmg cmi cmm cmo cms co- coc cog coi com coo cos csc csg csi csm cso css gcc gcg gci gcm gco gcs ggc ggg ggi ggm ggo ggs gic gig gii gim gio gis gmc gmg gmi gmm gmo gms goc gog goi gom goo gos gsc gsg gsi gsm gso gss icc icg ici icm ico ics igc igg igi igm igo igs iic iii iim iio iis im- imc img imi imm imo ims io- ioc iog ioi iom ioo ios is- isc isg isi ism iso iss m-o mc- mcc mcg mci mcm mco mcs mgc mgi mgm mgo mgs mi- mic mig mii mim mio mis mmc mmg mmi mmm mmo mms moc mog moi mom moo mos msc msg msi msm mso mss o-i oc- occ ocg oci ocm oco ocs ogc ogg ogi ogo ogs oic oii oim oio ois om- omc omg omi omm omo oms oo- ooc oog ooi oom ooo oos os- osc osg osi osm oso oss scc scg sci scm sco scs sgc sgg sgi sgm sgo sgs sic sig sii sim sio sis smc smg smi smm smo sms soc sog soi som soo sos ss- ssc ssg ssi ssm sso sss