-al a-a a-c aaa aac aad aae aal aap ac- aca acc acd ace acl acp ad- ada adc add ade adl adp aea aec aed aee ael aep al- ala alc ald ale all alp ap- apa apc apd ape apl app c-- caa cac cad cae cal cap cca ccc ccd cce ccl ccp cda cdc cdd cde cdl cdp ce- cea cec ced cee cel cep cl- cla clc cld cle cll clp cpa cpc cpd cpe cpl cpp daa dac dad dae dal dap dca dcc dcd dce dcl dcp dda ddc ddd dde ddl ddp de- dea dec ded dee del dep dl- dla dlc dld dle dll dlp dpa dpc dpd dpe dpl dpp eaa eac ead eae eal eap ec- eca ecc ecd ece ecl ed- eda edc edd ede edl edp eea eec eed eee eel eep ela elc eld ele ell elp ep- epa epc epd epe epl epp l-p la- laa lac lad lae lal lap lca lcc lcd lce lcl lcp lda ldc ldd lde ldl ldp lea lec led lee lel lep lla llc lld lle lll llp lpa lpc lpd lpe lpl lpp p-p paa pac pad pae pal pap pca pcc pcd pce pcl pcp pda pdc pdd pde pdl pdp pea pec ped pee pel pep pla plc pld ple pll plp ppa ppc ppd ppe ppl ppp