-al -ol a-a a-c aaa aac aak aal aan aao aap aas ac- aca acc ack acl acn aco acp acs aka akc akk akl akn ako akp aks al- ala alc alk all aln alo alp als an- ana anc ank anl ann ano anp ans aoa aoc aok aol aon aoo aop aos ap- apa apc apk apl apn apo app aps as- asa asc ask asl asn aso asp ass c-- caa cac cak cal can cao cap cas cca ccc cck ccl ccn cco ccp ccs cka ckc cko cks cl- cla clc clk cll cln clo clp cls cn- cna cnc cnl cnn cno cnp cns co- coa coc cok col con coo cop cos cpa cpc cpk cpl cpn cpo cpp cps csa csc csk csl csn cso csp css ka- kaa kac kak kal kan kao kap kas kca kcc kck kcl kcn kcp kcs kkc kkk kkl kkn kkp kks kl- kla klc klo kls kn- kna knc knk knl knn kno knp koa koc kok kol kon koo kop kos kpa kpc kpk kpl kpn kpo kpp kps ksa ksc ksk ksl ksn kso ksp kss l-p la- laa lac lak lal lan lao lap las lca lcc lck lcl lcn lco lcp lcs lka lkl lkp lks lla llc llk lll lln llo llp lls lna lnc lnk lnl lnn lno lnp lns loa loc lok lol lon loo lop los lpa lpc lpk lpl lpn lpo lpp lps lsa lsc lsk lsl lsn lso lsp lss naa nac nak nal nan nao nap nas nca ncc nck ncl ncn nco ncp ncs nka nkc nkk nkn nko nkp nks nla nlc nlk nll nln nlo nlp nls nna nnc nnk nnl nnn nno nnp nns no- noa noc nok nol non noo nop nos npa npc npl npn npo npp nps nsa nsc nsk nsl nsn nso nsp nss oaa oac oak oal oan oao oap oas oc- oca occ ock ocl ocn oco ocp ocs oka okc okk okl oko okp oks ola olc olk oll oln olo olp ols on- ona onc onk onl onn ono onp ons oo- ooa ooc ook ool oon ooo oop oos op- opa opc opk opl opn opo opp ops os- osa osc osk osl osn oso osp oss p-p paa pac pak pal pan pao pap pas pca pcc pck pcl pcn pco pcp pcs pka pkc pkl pkn pko pkp pks pla plc plk pll pln plo plp pls pn- pna pnc pnk pnl pnn pno pnp pns poa poc pok pol pon poo pop pos ppa ppc ppk ppl ppn ppo ppp pps ps- psa psc psk psl psn pso psp pss saa sac sak sal san sao sap sas sca scc sck scl scn sco scp scs sk- ska skc skk skl sko skp sks sla slc slk sll sln slo slp sls sna snc snk snl snn sno snp sns soa soc sok sol son soo sop sos spa spc spk spl spn spo spp sps ss- ssa ssc ssk ssl ssn sso ssp sss