-al a-a a-c aaa aac aae aaf aal aap ac- aca acc ace acf acl acp aea aec aee aef ael aep af- afa afc afe aff afl afp al- ala alc ale alf all alp ap- apa apc ape apf apl app c-- caa cac cae caf cal cap cca ccc cce ccf ccl ccp ce- cea cec cee cef cel cep cfa cfc cfe cff cfl cfp cl- cla clc cle clf cll clp cpa cpc cpe cpf cpl cpp eaa eac eae eaf eal eap ec- eca ecc ece ecf ecl eea eec eee eef eel eep ef- efa efc efe eff efl efp ela elc ele elf ell elp ep- epa epc epe epf epl epp faa fac fae faf fal fap fca fcc fce fcf fcl fcp fea fec fee fef fel fep ffa ffc ffe fff ffl ffp fla flc fle flf fll flp fpa fpc fpe fpl fpp l-p la- laa lac lae laf lal lap lca lcc lce lcf lcl lcp lea lec lee lef lel lep lfa lfc lfe lff lfl lfp lla llc lle llf lll llp lpa lpc lpe lpf lpl lpp p-p paa pac pae paf pal pap pca pcc pce pcf pcl pcp pea pec pee pef pel pep pfa pfc pfe pff pfl pfp pla plc ple plf pll plp ppa ppc ppe ppf ppl ppp