-al a-a a-c aaa aac aak aal aas ac- aca acc ack acl acs aka akc akk akl aks al- ala alc alk all als as- asa asc ask asl ass c-- caa cac cak cal cas cca ccc cck ccl ccs cka ckc cks cl- cla clc clk cll cls csa csc csk csl css ka- kaa kac kak kal kas kca kcc kck kcl kcs kkc kkk kkl kks kl- kla klc kls ksa ksc ksk ksl kss la- laa lac lak lal las lca lcc lck lcl lcs lka lkl lks lla llc llk lll lls lsa lsc lsk lsl lss saa sac sak sal sas sca scc sck scl scs sk- ska skc skk skl sks sla slc slk sll sls ss- ssa ssc ssk ssl sss