-al a-a a-c aaa aac aae aag aal aam ac- aca acc ace acg acl acm aea aec aee aeg ael aem ag- aga agc age agg agl agm al- ala alc ale alg all alm ama amc ame amg aml amm c-- caa cac cae cag cal cam cca ccc cce ccg ccl ccm ce- cea cec cee ceg cel cem cga cgc cge cgg cgl cgm cl- cla clc cle clg cll clm cma cmc cme cmg cml cmm eaa eac eae eag eal eam ec- eca ecc ece ecg ecl ecm eea eec eee eeg eel eem ega egc ege egg egl egm ela elc ele elg ell elm em- ema emc eme emg eml emm gaa gac gae gag gal gam gca gcc gce gcg gcl gcm ge- gea gec gee geg gel gem gga ggc ggg ggm gla glc gle glg gll glm gma gmc gme gmg gml gmm la- laa lac lae lag lal lam lca lcc lce lcg lcl lcm lea lec lee leg lel lem lga lgc lge lgg lgl lgm lla llc lle llg lll llm lma lmc lme lmg lml lmm maa mac mae mag mal mam mc- mca mcc mce mcg mcl mcm mea mec mee meg mel mem mga mgc mge mgl mgm mla mlc mle mlg mll mlm mma mmc mme mmg mml mmm