-ic c-- ccc ccg cci cck ccn ccs cgc cgg cgi cgn cgs ci- cic cig cii cik cin cis ckc cki cks cn- cnc cng cni cnn cns csc csg csi csk csn css gcc gcg gci gck gcn gcs ggc ggg ggi ggn ggs gic gig gii gik gin gis gkn gks gnc gni gnn gns gsc gsg gsi gsk gsn gss icc icg ici ick icn ics igc igg igi igk ign igs iic iii iin iis ikc iki ikk iks in- inc ing ini ink inn ins is- isc isg isi isk isn iss kcc kcg kci kck kcn kcs kgc kgi kgs kic kig kii kik kin kis kkc kki kkk kkn kks kn- knc kng kni knk knn ksc ksg ksi ksk ksn kss n-i ncc ncg nci nck ncn ncs ngc ngg ngi ngk ngn ngs nic nig nii nik nin nis nkc nki nkk nkn nks nnc nng nni nnk nnn nns nsc nsg nsi nsk nsn nss scc scg sci sck scn scs sgc sgg sgi sgk sgn sgs sic sig sii sik sin sis sk- skc skg ski skk sks snc sng sni snk snn sns ss- ssc ssg ssi ssk ssn sss