-ic c-- ccc ccg cci ccn ccs cgc cgg cgi cgn cgs ci- cic cig cii cin cis cn- cnc cng cni cnn cns csc csg csi csn css gcc gcg gci gcn gcs ggc ggg ggi ggn ggs gic gig gii gin gis gnc gni gnn gns gsc gsg gsi gsn gss icc icg ici icn ics igc igg igi ign igs iic iii iin iis in- inc ing ini inn ins is- isc isg isi isn iss n-i ncc ncg nci ncn ncs ngc ngg ngi ngn ngs nic nig nii nin nis nnc nng nni nnn nns nsc nsg nsi nsn nss scc scg sci scn scs sgc sgg sgi sgn sgs sic sig sii sin sis snc sng sni snn sns ss- ssc ssg ssi ssn sss