-al a-a a-c aaa aac aae aag aal aan ac- aca acc ace acg acl acn aea aec aee aeg ael aen ag- aga agc age agg agl agn al- ala alc ale alg all aln an- ana anc ane ang anl ann c-- caa cac cae cag cal can cca ccc cce ccg ccl ccn ce- cea cec cee ceg cel cen cga cgc cge cgg cgl cgn cl- cla clc cle clg cll cln cn- cna cnc cne cng cnl cnn eaa eac eae eag eal ean ec- eca ecc ece ecg ecl ecn eea eec eee eeg eel een ega egc ege egg egl egn ela elc ele elg ell eln en- ena enc ene eng enl enn gaa gac gae gag gal gan gca gcc gce gcg gcl gcn ge- gea gec gee geg gel gen gga ggc ggg ggn gla glc gle glg gll gln gna gnc gne gnl gnn la- laa lac lae lag lal lan lca lcc lce lcg lcl lcn lea lec lee leg lel len lga lgc lge lgg lgl lgn lla llc lle llg lll lln lna lnc lne lng lnl lnn naa nac nae nag nal nan nca ncc nce ncg ncl ncn ne- nea nec nee neg nel nen nga ngc nge ngg ngl ngn nla nlc nle nlg nll nln nna nnc nne nng nnl nnn