-al -ol a-a a-c aaa aac aak aal aao aap aas ac- aca acc ack acl aco acp acs aka akc akk akl ako akp aks al- ala alc alk all alo alp als aoa aoc aok aol aoo aop aos ap- apa apc apk apl apo app aps as- asa asc ask asl aso asp ass c-- caa cac cak cal cao cap cas cca ccc cck ccl cco ccp ccs cka ckc cko cks cl- cla clc clk cll clo clp cls co- coa coc cok col coo cop cos cpa cpc cpk cpl cpo cpp cps csa csc csk csl cso csp css ka- kaa kac kak kal kao kap kas kca kcc kck kcl kcp kcs kkc kkk kkl kkp kks kl- kla klc klo kls koa koc kok kol koo kop kos kpa kpc kpk kpl kpo kpp kps ksa ksc ksk ksl kso ksp kss l-p la- laa lac lak lal lao lap las lca lcc lck lcl lco lcp lcs lka lkl lkp lks lla llc llk lll llo llp lls loa loc lok lol loo lop los lpa lpc lpk lpl lpo lpp lps lsa lsc lsk lsl lso lsp lss oaa oac oak oal oao oap oas oc- oca occ ock ocl oco ocp ocs oka okc okk okl oko okp oks ola olc olk oll olo olp ols oo- ooa ooc ook ool ooo oop oos op- opa opc opk opl opo opp ops os- osa osc osk osl oso osp oss p-p paa pac pak pal pao pap pas pca pcc pck pcl pco pcp pcs pka pkc pkl pko pkp pks pla plc plk pll plo plp pls poa poc pok pol poo pop pos ppa ppc ppk ppl ppo ppp pps ps- psa psc psk psl pso psp pss saa sac sak sal sao sap sas sca scc sck scl sco scp scs sk- ska skc skk skl sko skp sks sla slc slk sll slo slp sls soa soc sok sol soo sop sos spa spc spk spl spo spp sps ss- ssa ssc ssk ssl sso ssp sss