c-- ccc ccl ccn ccp ccs cl- clc cll cln clp cls cn- cnc cnl cnn cnp cns cpc cpl cpn cpp cps csc csl csn csp css l-p lcc lcl lcn lcp lcs llc lll lln llp lls lnc lnl lnn lnp lns lpc lpl lpn lpp lps lsc lsl lsn lsp lss ncc ncl ncn ncp ncs nlc nll nln nlp nls nnc nnl nnn nnp nns npc npl npn npp nps nsc nsl nsn nsp nss p-p pcc pcl pcn pcp pcs plc pll pln plp pls pn- pnc pnl pnn pnp pns ppc ppl ppn ppp pps ps- psc psl psn psp pss scc scl scn scp scs slc sll sln slp sls snc snl snn snp sns spc spl spn spp sps ss- ssc ssl ssn ssp sss