-al a-a a-c aaa aac aak aal aan aas ac- aca acc ack acl acn acs aka akc akk akl akn aks al- ala alc alk all aln als an- ana anc ank anl ann ans as- asa asc ask asl asn ass c-- caa cac cak cal can cas cca ccc cck ccl ccn ccs cka ckc cks cl- cla clc clk cll cln cls cn- cna cnc cnl cnn cns csa csc csk csl csn css ka- kaa kac kak kal kan kas kca kcc kck kcl kcn kcs kkc kkk kkl kkn kks kl- kla klc kls kn- kna knc knk knl knn ksa ksc ksk ksl ksn kss la- laa lac lak lal lan las lca lcc lck lcl lcn lcs lka lkl lks lla llc llk lll lln lls lna lnc lnk lnl lnn lns lsa lsc lsk lsl lsn lss naa nac nak nal nan nas nca ncc nck ncl ncn ncs nka nkc nkk nkn nks nla nlc nlk nll nln nls nna nnc nnk nnl nnn nns nsa nsc nsk nsl nsn nss saa sac sak sal san sas sca scc sck scl scn scs sk- ska skc skk skl sks sla slc slk sll sln sls sna snc snk snl snn sns ss- ssa ssc ssk ssl ssn sss