c-- ccc cce ccg ccl ccm ce- cec cee ceg cel cem cgc cge cgg cgl cgm cl- clc cle clg cll clm cmc cme cmg cml cmm ec- ecc ece ecg ecl ecm eec eee eeg eel eem egc ege egg egl egm elc ele elg ell elm em- emc eme emg eml emm gcc gce gcg gcl gcm ge- gec gee geg gel gem ggc ggg ggm glc gle glg gll glm gmc gme gmg gml gmm lcc lce lcg lcl lcm lec lee leg lel lem lgc lge lgg lgl lgm llc lle llg lll llm lmc lme lmg lml lmm mc- mcc mce mcg mcl mcm mec mee meg mel mem mgc mge mgl mgm mlc mle mlg mll mlm mmc mme mmg mml mmm