-ic c-- ccc cce ccg cci ccn ccs ccx ce- cec cee ceg cei cen ces cex cgc cge cgg cgi cgn cgs ci- cic cie cig cii cin cis cix cn- cnc cne cng cni cnn cns cnx csc cse csg csi csn css csx cxc cxi cxs cxx ec- ecc ece ecg eci ecn ecs ecx eec eee eeg een ees eex egc ege egg egi egn egs egx eic eie eig eii ein eis eix en- enc ene eng eni enn ens es- esc ese esg esi esn ess esx ex- exc exe exi exs exx gcc gce gcg gci gcn gcs ge- gec gee geg gei gen ges gex ggc ggg ggi ggn ggs gic gie gig gii gin gis gnc gne gni gnn gns gsc gse gsg gsi gsn gss gsx gxs icc ice icg ici icn ics ie- iec iee ieg iei ien ies iex igc ige igg igi ign igs iic iie iii iin iis iix in- inc ine ing ini inn ins inx is- isc ise isg isi isn iss ixc ixe ixi ixn n-i ncc nce ncg nci ncn ncs ncx ne- nec nee neg nei nen nes nex ngc nge ngg ngi ngn ngs nic nie nig nii nin nis nix nnc nne nng nni nnn nns nsc nse nsg nsi nsn nss nsx nxc scc sce scg sci scn scs scx se- sec see seg sei sen ses sex sgc sge sgg sgi sgn sgs sgx sic sie sig sii sin sis six snc sne sng sni snn sns ss- ssc sse ssg ssi ssn sss ssx sxc sxi sxn sxs xci xcx xee xeg xen xes xex xge xgi xic xie xii xin xis xix xnc xns xsc xsi xss xxi xxx