-er c-- c-j ccc cce ccj ccr ccs ccu ce- cec cee cej cer ces ceu cjc cjr cjs crc cre crj crr crs cru csc cse csj csr css csu cuc cue cur cus cuu ec- ecc ece ecj ecr ecs ecu eec eee eer ees ejc eju erc ere err ers eru es- esc ese esr ess esu eu- euc eue euj eur eus jcc jce jcr jcs jcu jec jee jej jer jes jeu jjc jjj jjr jjs jju jrc jrr jrs jsc jse jsj jsr jss jsu jue jur jus rcc rce rcj rcr rcs rcu re- rec ree rer res reu rjc rjr rrc rrr rrs rru rsc rse rsj rsr rss rsu ruc rue rur rus ruu scc sce scj scr scs scu se- sec see sej ser ses seu sjc sje sjj sjr sjs sju sr- src sre srj srr srs ss- ssc sse ssj ssr sss ssu suc sue sur sus suu ucc uce ucj ucr ucs ucu uec uee uer ues ujc ujs ur- urc ure urr urs uru usc use usj usr uss usu uuc uue uur uus uuu