-er -ic c-- ccc cce cci ccl ccn ccr ce- cec cee cei cel cen cer ci- cic cie cii cil cin cir cl- clc cle cli cll cln clr cn- cnc cne cni cnl cnn cnr crc cre cri crl crn crr ec- ecc ece eci ecl ecn ecr eec eee eel een eer eic eie eii eil ein eir elc ele eli ell eln elr en- enc ene eni enl enn enr erc ere eri erl ern err icc ice ici icl icn icr ie- iec iee iei iel ien ier iic iie iii iil iin iir il- ilc ile ili ill iln ilr in- inc ine ini inl inn inr ir- irc ire iri irl irn irr lcc lce lci lcl lcn lcr lec lee lei lel len ler lic lie lii lil lin lir llc lle lli lll lln llr lnc lne lni lnl lnn lnr lrc lri lrn lrr n-i ncc nce nci ncl ncn ncr ne- nec nee nei nel nen ner nic nie nii nil nin nir nlc nle nli nll nln nlr nnc nne nni nnl nnn nrc nre nri nrl nrn nrr rcc rce rci rcl rcn rcr re- rec ree rei rel ren rer ric rie rii ril rin rir rlc rle rli rll rln rlr rnc rni rnn rnr rrc rri rrl rrn rrr