-al a-a a-c aaa aac aad aae aal aas ac- aca acc acd ace acl acs ad- ada adc add ade adl ads aea aec aed aee ael aes al- ala alc ald ale all als as- asa asc asd ase asl ass c-- caa cac cad cae cal cas cca ccc ccd cce ccl ccs cda cdc cdd cde cdl cds ce- cea cec ced cee cel ces cl- cla clc cld cle cll cls csa csc csd cse csl css daa dac dad dae dal das dca dcc dcd dce dcl dcs dda ddc ddd dde ddl dds de- dea dec ded dee del des dl- dla dlc dld dle dll dls dsa dsc dsd dse dsl dss eaa eac ead eae eal eas ec- eca ecc ecd ece ecl ecs ed- eda edc edd ede edl eds eea eec eed eee eel ees ela elc eld ele ell els es- esa esc esd ese esl ess la- laa lac lad lae lal las lca lcc lcd lce lcl lcs lda ldc ldd lde ldl lds lea lec led lee lel les lla llc lld lle lll lls lsa lsc lsd lse lsl lss saa sac sad sae sal sas sca scc scd sce scl scs sda sdc sdd sde sdl sds se- sea sec sed see sel ses sla slc sld sle sll sls ss- ssa ssc ssd sse ssl sss