-al -ol a-a a-c aaa aac aak aal aao aap ac- aca acc ack acl aco acp aka akc akk akl ako akp al- ala alc alk all alo alp aoa aoc aok aol aoo aop ap- apa apc apk apl apo app c-- caa cac cak cal cao cap cca ccc cck ccl cco ccp cka ckc cko cl- cla clc clk cll clo clp co- coa coc cok col coo cop cpa cpc cpk cpl cpo cpp ka- kaa kac kak kal kao kap kca kcc kck kcl kcp kkc kkk kkl kkp kl- kla klc klo koa koc kok kol koo kop kpa kpc kpk kpl kpo kpp l-p la- laa lac lak lal lao lap lca lcc lck lcl lco lcp lka lkl lkp lla llc llk lll llo llp loa loc lok lol loo lop lpa lpc lpk lpl lpo lpp oaa oac oak oal oao oap oc- oca occ ock ocl oco ocp oka okc okk okl oko okp ola olc olk oll olo olp oo- ooa ooc ook ool ooo oop op- opa opc opk opl opo opp p-p paa pac pak pal pao pap pca pcc pck pcl pco pcp pka pkc pkl pko pkp pla plc plk pll plo plp poa poc pok pol poo pop ppa ppc ppk ppl ppo ppp