-al a-a a-c aaa aac aad aae aal ac- aca acc acd ace acl ad- ada adc add ade adl aea aec aed aee ael al- ala alc ald ale all c-- caa cac cad cae cal cca ccc ccd cce ccl cda cdc cdd cde cdl ce- cea cec ced cee cel cl- cla clc cld cle cll daa dac dad dae dal dca dcc dcd dce dcl dda ddc ddd dde ddl de- dea dec ded dee del dl- dla dlc dld dle dll eaa eac ead eae eal ec- eca ecc ecd ece ecl ed- eda edc edd ede edl eea eec eed eee eel ela elc eld ele ell la- laa lac lad lae lal lca lcc lcd lce lcl lda ldc ldd lde ldl lea lec led lee lel lla llc lld lle lll