-al a-a a-c aaa aac aae aak aal aan ac- aca acc ace ack acl acn aea aec aee aek ael aen aka akc ake akk akl akn al- ala alc ale alk all aln an- ana anc ane ank anl ann c-- caa cac cae cak cal can cca ccc cce cck ccl ccn ce- cea cec cee cek cel cen cka ckc cl- cla clc cle clk cll cln cn- cna cnc cne cnl cnn eaa eac eae eak eal ean ec- eca ecc ece eck ecl ecn eea eec eee eek eel een eka ekc eke ekl ela elc ele elk ell eln en- ena enc ene enk enl enn ka- kaa kac kae kak kal kan kca kcc kce kck kcl kcn ke- kea kec kee kek kel ken kkc kke kkk kkl kkn kl- kla klc kn- kna knc kne knk knl knn la- laa lac lae lak lal lan lca lcc lce lck lcl lcn lea lec lee lek lel len lka lkl lla llc lle llk lll lln lna lnc lne lnk lnl lnn naa nac nae nak nal nan nca ncc nce nck ncl ncn ne- nea nec nee nek nel nen nka nkc nke nkk nkn nla nlc nle nlk nll nln nna nnc nne nnk nnl nnn