-er -ic c-- ccc cce cci ccl ccr ccz ce- cec cee cei cel cer cez ci- cic cie cii cil cir cl- clc cle cli cll clr clz crc cre cri crl crr crz cz- czc cze ec- ecc ece eci ecl ecr eec eee eel eer eic eie eii eil eir elc ele eli ell elr elz erc ere eri erl err erz eze ezr ezz icc ice ici icl icr icz ie- iec iee iei iel ier iic iie iii iil iir il- ilc ile ili ill ilr ilz ir- irc ire iri irl irr ize izi izz lcc lce lci lcl lcr lec lee lei lel ler lez lic lie lii lil lir liz llc lle lli lll llr llz lrc lri lrr lrz lzi lzr rcc rce rci rcl rcr re- rec ree rei rel rer rez ric rie rii ril rir riz rlc rle rli rll rlr rrc rri rrl rrr rze zce zcl zec zee zel zer zez zie zil zir ziz zlr zrl zzr zzz