-al -ol a-a a-c aaa aac aak aal aao ac- aca acc ack acl aco aka akc akk akl ako al- ala alc alk all alo aoa aoc aok aol aoo c-- caa cac cak cal cao cca ccc cck ccl cco cka ckc cko cl- cla clc clk cll clo co- coa coc cok col coo ka- kaa kac kak kal kao kca kcc kck kcl kkc kkk kkl kl- kla klc klo koa koc kok kol koo la- laa lac lak lal lao lca lcc lck lcl lco lka lkl lla llc llk lll llo loa loc lok lol loo oaa oac oak oal oao oc- oca occ ock ocl oco oka okc okk okl oko ola olc olk oll olo oo- ooa ooc ook ool ooo