-al a-a a-c aaa aac aag aal aan ac- aca acc acg acl acn ag- aga agc agg agl agn al- ala alc alg all aln an- ana anc ang anl ann c-- caa cac cag cal can cca ccc ccg ccl ccn cga cgc cgg cgl cgn cl- cla clc clg cll cln cn- cna cnc cng cnl cnn gaa gac gag gal gan gca gcc gcg gcl gcn gga ggc ggg ggn gla glc glg gll gln gna gnc gnl gnn la- laa lac lag lal lan lca lcc lcg lcl lcn lga lgc lgg lgl lgn lla llc llg lll lln lna lnc lng lnl lnn naa nac nag nal nan nca ncc ncg ncl ncn nga ngc ngg ngl ngn nla nlc nlg nll nln nna nnc nng nnl nnn