-ic a-a a-c a-i aaa aac aae aag aai aan aas ac- aca acc ace acg aci acn acs aea aec aee aeg aei aen aes ag- aga agc age agg agi agn ags ai- aia aic aie aig aii ain ais an- ana anc ane ang ani ann ans as- asa asc ase asg asi asn ass c-- caa cac cae cag cai can cas cca ccc cce ccg cci ccn ccs ce- cea cec cee ceg cei cen ces cga cgc cge cgg cgi cgn cgs ci- cia cic cie cig cii cin cis cn- cna cnc cne cng cni cnn cns csa csc cse csg csi csn css eaa eac eae eag eai ean eas ec- eca ecc ece ecg eci ecn ecs eea eec eee eeg een ees ega egc ege egg egi egn egs eia eic eie eig eii ein eis en- ena enc ene eng eni enn ens es- esa esc ese esg esi esn ess gaa gac gae gag gai gan gas gca gcc gce gcg gci gcn gcs ge- gea gec gee geg gei gen ges gga ggc ggg ggi ggn ggs gia gic gie gig gii gin gis gna gnc gne gni gnn gns gsa gsc gse gsg gsi gsn gss ia- iaa iac iae iag iai ian ias ica icc ice icg ici icn ics ie- iea iec iee ieg iei ien ies iga igc ige igg igi ign igs iia iic iie iii iin iis in- ina inc ine ing ini inn ins is- isa isc ise isg isi isn iss n-i naa nac nae nag nai nan nas nca ncc nce ncg nci ncn ncs ne- nea nec nee neg nei nen nes nga ngc nge ngg ngi ngn ngs nia nic nie nig nii nin nis nna nnc nne nng nni nnn nns nsa nsc nse nsg nsi nsn nss saa sac sae sag sai san sas sca scc sce scg sci scn scs se- sea sec see seg sei sen ses sga sgc sge sgg sgi sgn sgs sia sic sie sig sii sin sis sna snc sne sng sni snn sns ss- ssa ssc sse ssg ssi ssn sss