-er -ic c-- ccc ccd cce cci ccr ccz cdc cdd cde cdi cdr cdz ce- cec ced cee cei cer cez ci- cic cid cie cii cir crc crd cre cri crr crz cz- czc czd cze dcc dcd dce dci dcr ddc ddd dde ddi ddr ddz de- dec ded dee dei der dez di- dic did die dii dir diz drc drd dre dri drr drz dzd dze dzi dzr ec- ecc ecd ece eci ecr ed- edc edd ede edi edr eec eed eee eer eic eid eie eii eir erc erd ere eri err erz eze ezr ezz i-d icc icd ice ici icr icz idc idd ide idi idr ie- iec ied iee iei ier iic iid iie iii iir ir- irc ird ire iri irr ize izi izz rcc rcd rce rci rcr rdc rdd rde rdi rdr re- rec red ree rei rer rez ric rid rie rii rir riz rrc rrd rri rrr rze zce zec zed zee zer zez zid zie zir ziz zzr zzz