-ic c-- ccc ccg cci ccn ccr ccs cgc cgg cgi cgn cgr cgs ci- cic cig cii cin cir cis cn- cnc cng cni cnn cnr cns crc crg cri crn crr crs csc csg csi csn csr css gcc gcg gci gcn gcr gcs ggc ggg ggi ggn ggr ggs gic gig gii gin gir gis gnc gni gnn gnr gns grc grg gri grn grr grs gsc gsg gsi gsn gsr gss icc icg ici icn icr ics igc igg igi ign igr igs iic iii iin iir iis in- inc ing ini inn inr ins ir- irc irg iri irn irr irs is- isc isg isi isn isr iss n-i ncc ncg nci ncn ncr ncs ngc ngg ngi ngn ngs nic nig nii nin nir nis nnc nng nni nnn nns nrc nrg nri nrn nrr nrs nsc nsg nsi nsn nsr nss rcc rcg rci rcn rcr rcs rgc rgg rgi rgn rgr rgs ric rig rii rin rir ris rnc rng rni rnn rnr rns rrc rrg rri rrn rrr rrs rsc rsg rsi rsn rsr rss scc scg sci scn scr scs sgc sgg sgi sgn sgr sgs sic sig sii sin sir sis snc sng sni snn snr sns sr- src srg sri srn srr srs ss- ssc ssg ssi ssn ssr sss