-er c-- c-j ccc cce ccj ccn ccp ccr ccs ce- cec cee cej cen cep cer ces cjc cjp cjr cjs cn- cnc cne cnj cnn cnp cnr cns cpc cpe cpj cpn cpp cpr cps crc cre crj crn crp crr crs csc cse csj csn csp csr css ec- ecc ece ecj ecn ecr ecs eec eee een eep eer ees ejc ejp en- enc ene enn enp enr ens ep- epc epe epn epp epr eps erc ere ern erp err ers es- esc ese esn esp esr ess jcc jce jcp jcr jcs jec jee jej jen jep jer jes jjc jjj jjp jjr jjs jnc jne jnj jnn jnp jnr jns jpc jpe jpj jpn jpp jpr jps jrc jrn jrp jrr jrs jsc jse jsj jsn jsp jsr jss ncc nce ncn ncp ncr ncs ne- nec nee nej nen nep ner nes njc nje njn njp njs nnc nne nnn nnp nns npc npe npn npp npr nps nrc nre nrj nrn nrp nrr nrs nsc nse nsn nsp nsr nss p-p pcc pce pcj pcn pcp pcr pcs pec pee pen pep per pes pjc pjp pjs pn- pnc pne pnn pnp pnr pns ppc ppe ppj ppn ppp ppr pps prc pre prn prp prr prs ps- psc pse psj psn psp psr pss rcc rce rcj rcn rcp rcr rcs re- rec ree ren rep rer res rjc rjp rjr rnc rnn rnp rnr rns rpc rpe rpn rpp rpr rps rrc rrn rrp rrr rrs rsc rse rsj rsn rsp rsr rss scc sce scj scn scp scr scs se- sec see sej sen sep ser ses sjc sje sjj sjp sjr sjs snc sne snj snn snp snr sns spc spe spn spp spr sps sr- src sre srj srn srp srr srs ss- ssc sse ssj ssn ssp ssr sss