-er -ic c-- ccc ccd cce cci ccl ccn ccr cdc cdd cde cdi cdl cdn cdr ce- cec ced cee cei cel cen cer ci- cic cid cie cii cil cin cir cl- clc cld cle cli cll cln clr cn- cnc cnd cne cni cnl cnn cnr crc crd cre cri crl crn crr dcc dcd dce dci dcl dcn dcr ddc ddd dde ddi ddl ddn ddr de- dec ded dee dei del den der di- dic did die dii dil din dir dl- dlc dld dle dli dll dlr dnc dnd dne dni dnl dnn dnr drc drd dre dri drl drn drr ec- ecc ecd ece eci ecl ecn ecr ed- edc edd ede edi edl edn edr eec eed eee eel een eer eic eid eie eii eil ein eir elc eld ele eli ell eln elr en- enc end ene eni enl enn enr erc erd ere eri erl ern err i-d icc icd ice ici icl icn icr idc idd ide idi idl idn idr ie- iec ied iee iei iel ien ier iic iid iie iii iil iin iir il- ilc ild ile ili ill iln ilr in- inc ind ine ini inl inn inr ir- irc ird ire iri irl irn irr lcc lcd lce lci lcl lcn lcr ldc ldd lde ldi ldl ldn ldr lec led lee lei lel len ler lic lid lie lii lil lin lir llc lld lle lli lll lln llr lnc lnd lne lni lnl lnn lnr lrc lrd lri lrn lrr n-i ncc ncd nce nci ncl ncn ncr ndc ndd nde ndi ndl ndn ndr ne- nec ned nee nei nel nen ner nic nid nie nii nil nin nir nlc nld nle nli nll nln nlr nnc nne nni nnl nnn nrc nrd nre nri nrl nrn nrr rcc rcd rce rci rcl rcn rcr rdc rdd rde rdi rdl rdn rdr re- rec red ree rei rel ren rer ric rid rie rii ril rin rir rlc rld rle rli rll rln rlr rnc rnd rni rnn rnr rrc rrd rri rrl rrn rrr