-al a-a a-c aaa aac aad aae aal aan ac- aca acc acd ace acl acn ad- ada adc add ade adl adn aea aec aed aee ael aen al- ala alc ald ale all aln an- ana anc and ane anl ann c-- caa cac cad cae cal can cca ccc ccd cce ccl ccn cda cdc cdd cde cdl cdn ce- cea cec ced cee cel cen cl- cla clc cld cle cll cln cn- cna cnc cnd cne cnl cnn daa dac dad dae dal dan dca dcc dcd dce dcl dcn dda ddc ddd dde ddl ddn de- dea dec ded dee del den dl- dla dlc dld dle dll dna dnc dnd dne dnl dnn eaa eac ead eae eal ean ec- eca ecc ecd ece ecl ecn ed- eda edc edd ede edl edn eea eec eed eee eel een ela elc eld ele ell eln en- ena enc end ene enl enn la- laa lac lad lae lal lan lca lcc lcd lce lcl lcn lda ldc ldd lde ldl ldn lea lec led lee lel len lla llc lld lle lll lln lna lnc lnd lne lnl lnn naa nac nad nae nal nan nca ncc ncd nce ncl ncn nda ndc ndd nde ndl ndn ne- nea nec ned nee nel nen nla nlc nld nle nll nln nna nnc nne nnl nnn