-er c-- c-j ccc cce cch ccj cck ccr ccs ce- cec cee ceh cej cek cer ces ch- chc che chh chk chr chs cjc cjk cjr cjs ckc ckh cks crc cre crh crj crk crr crs csc cse csh csj csk csr css ec- ecc ece ech ecj eck ecr ecs eec eee eek eer ees ehc ehe ehh ehr ehs ejc ekc eke ekh ekr eks erc ere erh erk err ers es- esc ese esh esk esr ess hcc hce hch hcj hck hcr hcs he- hec hee heh hej hek her hes hhc hhe hhh hhj hhk hhr hhs hjk hjr hjs hkh hkk hkr hks hr- hrc hre hrh hrj hrk hrr hrs hsc hse hsh hsj hsk hsr hss jcc jce jch jck jcr jcs jec jee jeh jej jek jer jes jhc jhe jhj jhr jhs jjc jjj jjk jjr jjs jkh jkk jkr jks jrc jrk jrr jrs jsc jse jsh jsj jsk jsr jss kcc kce kch kck kcr kcs ke- kec kee keh kek ker kes khe khh khj khk khr khs kjc kje kjr kjs kkc kke kkh kkk kkr kks krc krk krr krs ksc kse ksh ksk ksr kss rcc rce rch rcj rcr rcs re- rec ree reh rek rer res rh- rhc rhe rhh rhr rhs rjc rjk rjr rkc rke rkk rks rrc rrh rrk rrr rrs rsc rse rsh rsj rsk rsr rss scc sce sch scj sck scr scs se- sec see seh sej sek ser ses sh- shc she shh shk shr shs sjc sje sjh sjj sjk sjr sjs sk- skc ske skh skj skk skr sks sr- src sre srh srj srk srr srs ss- ssc sse ssh ssj ssk ssr sss