-er -ic c-- ccc ccd cce cci ccl ccr cdc cdd cde cdi cdl cdr ce- cec ced cee cei cel cer ci- cic cid cie cii cil cir cl- clc cld cle cli cll clr crc crd cre cri crl crr dcc dcd dce dci dcl dcr ddc ddd dde ddi ddl ddr de- dec ded dee dei del der di- dic did die dii dil dir dl- dlc dld dle dli dll dlr drc drd dre dri drl drr ec- ecc ecd ece eci ecl ecr ed- edc edd ede edi edl edr eec eed eee eel eer eic eid eie eii eil eir elc eld ele eli ell elr erc erd ere eri erl err i-d icc icd ice ici icl icr idc idd ide idi idl idr ie- iec ied iee iei iel ier iic iid iie iii iil iir il- ilc ild ile ili ill ilr ir- irc ird ire iri irl irr lcc lcd lce lci lcl lcr ldc ldd lde ldi ldl ldr lec led lee lei lel ler lic lid lie lii lil lir llc lld lle lli lll llr lrc lrd lri lrr rcc rcd rce rci rcl rcr rdc rdd rde rdi rdl rdr re- rec red ree rei rel rer ric rid rie rii ril rir rlc rld rle rli rll rlr rrc rrd rri rrl rrr