-ic a-a a-c a-i aaa aac aag aai aan ac- aca acc acg aci acn ag- aga agc agg agi agn ai- aia aic aig aii ain an- ana anc ang ani ann c-- caa cac cag cai can cca ccc ccg cci ccn cga cgc cgg cgi cgn ci- cia cic cig cii cin cn- cna cnc cng cni cnn gaa gac gag gai gan gca gcc gcg gci gcn gga ggc ggg ggi ggn gia gic gig gii gin gna gnc gni gnn ia- iaa iac iag iai ian ica icc icg ici icn iga igc igg igi ign iia iic iii iin in- ina inc ing ini inn n-i naa nac nag nai nan nca ncc ncg nci ncn nga ngc ngg ngi ngn nia nic nig nii nin nna nnc nng nni nnn