-er -ic c-- ccc cce cci ccr ccs ccz ce- cec cee cei cer ces cez ci- cic cie cii cir cis crc cre cri crr crs crz csc cse csi csr css csz cz- czc cze ec- ecc ece eci ecr ecs eec eee eer ees eic eie eii eir eis erc ere eri err ers erz es- esc ese esi esr ess eze ezr ezs ezz icc ice ici icr ics icz ie- iec iee iei ier ies iic iie iii iir iis ir- irc ire iri irr irs is- isc ise isi isr iss ize izi izz rcc rce rci rcr rcs re- rec ree rei rer res rez ric rie rii rir ris riz rrc rri rrr rrs rsc rse rsi rsr rss rze scc sce sci scr scs se- sec see sei ser ses sez sic sie sii sir sis sr- src sre sri srr srs ss- ssc sse ssi ssr sss ssz sze szi szr zce zcs zec zee zer zes zez zie zir zis ziz zrs zse zsi zsz zzr zzs zzz