-al a-a a-c aaa aac aae aal aap ac- aca acc ace acl acp aea aec aee ael aep al- ala alc ale all alp ap- apa apc ape apl app c-- caa cac cae cal cap cca ccc cce ccl ccp ce- cea cec cee cel cep cl- cla clc cle cll clp cpa cpc cpe cpl cpp eaa eac eae eal eap ec- eca ecc ece ecl eea eec eee eel eep ela elc ele ell elp ep- epa epc epe epl epp l-p la- laa lac lae lal lap lca lcc lce lcl lcp lea lec lee lel lep lla llc lle lll llp lpa lpc lpe lpl lpp p-p paa pac pae pal pap pca pcc pce pcl pcp pea pec pee pel pep pla plc ple pll plp ppa ppc ppe ppl ppp