-al -ol a-a a-c aaa aac aak aal aao aav ac- aca acc ack acl aco acv aka akc akk akl ako akv al- ala alc alk all alo alv aoa aoc aok aol aoo aov av- ava avc avk avl avo c-- caa cac cak cal cao cav cca ccc cck ccl cco ccv cka ckc cko cl- cla clc clk cll clo clv co- coa coc cok col coo cov cva cvc cvk cvl cvo cvv ka- kaa kac kak kal kao kav kca kcc kck kcl kkc kkk kkl kkv kl- kla klc klo klv koa koc kok kol koo kva kvk kvo kvv la- laa lac lak lal lao lav lca lcc lck lcl lco lcv lka lkl lla llc llk lll llo llv loa loc lok lol loo lov lva lvc lvl lvv oaa oac oak oal oao oav oc- oca occ ock ocl oco ocv oka okc okk okl oko ola olc olk oll olo oo- ooa ooc ook ool ooo oov ov- ova ovc ovl ovo ovv v-a vaa vac vak val vao vav vca vcc vcl vco vka vl- vla vlc vlk vll vlo vlv voa voc vok vol voo vov vva vvc vvo vvv