-al a-a a-c aaa aac aae aag aal aap ac- aca acc ace acg acl acp aea aec aee aeg ael aep ag- aga agc age agg agl agp al- ala alc ale alg all alp ap- apa apc ape apg apl app c-- caa cac cae cag cal cap cca ccc cce ccg ccl ccp ce- cea cec cee ceg cel cep cga cgc cge cgg cgl cgp cl- cla clc cle clg cll clp cpa cpc cpe cpg cpl cpp eaa eac eae eag eal eap ec- eca ecc ece ecg ecl eea eec eee eeg eel eep ega egc ege egg egl egp ela elc ele elg ell elp ep- epa epc epe epg epl epp g-p gaa gac gae gag gal gap gca gcc gce gcg gcl gcp ge- gea gec gee geg gel gep gga ggc ggg ggp gla glc gle glg gll glp gpa gpc gpe gpg gpl gpp l-p la- laa lac lae lag lal lap lca lcc lce lcg lcl lcp lea lec lee leg lel lep lga lgc lge lgg lgl lgp lla llc lle llg lll llp lpa lpc lpe lpg lpl lpp p-p paa pac pae pag pal pap pca pcc pce pcg pcl pcp pea pec pee peg pel pep pga pgc pge pgg pgl pgp pla plc ple plg pll plp ppa ppc ppe ppg ppl ppp