-er -ic c-- ccc cce cci ccl ccr ccs ccz ce- cec cee cei cel cer ces cez ci- cic cie cii cil cir cis cl- clc cle cli cll clr cls clz crc cre cri crl crr crs crz csc cse csi csl csr css csz cz- czc cze ec- ecc ece eci ecl ecr ecs eec eee eel eer ees eic eie eii eil eir eis elc ele eli ell elr els elz erc ere eri erl err ers erz es- esc ese esi esl esr ess eze ezr ezs ezz icc ice ici icl icr ics icz ie- iec iee iei iel ier ies iic iie iii iil iir iis il- ilc ile ili ill ilr ils ilz ir- irc ire iri irl irr irs is- isc ise isi isl isr iss ize izi izz lcc lce lci lcl lcr lcs lec lee lei lel ler les lez lic lie lii lil lir lis liz llc lle lli lll llr lls llz lrc lri lrr lrs lrz lsc lse lsi lsl lsr lss lsz lzi lzr lzs rcc rce rci rcl rcr rcs re- rec ree rei rel rer res rez ric rie rii ril rir ris riz rlc rle rli rll rlr rls rrc rri rrl rrr rrs rsc rse rsi rsl rsr rss rze scc sce sci scl scr scs se- sec see sei sel ser ses sez sic sie sii sil sir sis slc sle sli sll slr sls sr- src sre sri srl srr srs ss- ssc sse ssi ssl ssr sss ssz sze szi szl szr zce zcl zcs zec zee zel zer zes zez zie zil zir zis ziz zlr zrl zrs zse zsi zsl zsz zzr zzs zzz