-al a-a a-c aaa aac aad aae aal aam ac- aca acc acd ace acl acm ad- ada adc add ade adl adm aea aec aed aee ael aem al- ala alc ald ale all alm ama amc amd ame aml amm c-- caa cac cad cae cal cam cca ccc ccd cce ccl ccm cda cdc cdd cde cdl cdm ce- cea cec ced cee cel cem cl- cla clc cld cle cll clm cma cmc cmd cme cml cmm daa dac dad dae dal dam dca dcc dcd dce dcl dcm dda ddc ddd dde ddl ddm de- dea dec ded dee del dem dl- dla dlc dld dle dll dlm dma dmc dmd dme dml dmm eaa eac ead eae eal eam ec- eca ecc ecd ece ecl ecm ed- eda edc edd ede edl edm eea eec eed eee eel eem ela elc eld ele ell elm em- ema emc emd eme eml emm la- laa lac lad lae lal lam lca lcc lcd lce lcl lcm lda ldc ldd lde ldl ldm lea lec led lee lel lem lla llc lld lle lll llm lma lmc lmd lme lml lmm maa mac mad mae mal mam mc- mca mcc mcd mce mcl mcm mda mdc mdd mde mdl mdm mea mec med mee mel mem mla mlc mld mle mll mlm mma mmc mmd mme mml mmm