-er -ic c-- ccc ccd cce cci ccn ccr ccz cdc cdd cde cdi cdn cdr cdz ce- cec ced cee cei cen cer cez ci- cic cid cie cii cin cir cn- cnc cnd cne cni cnn cnr crc crd cre cri crn crr crz cz- czc czd cze dcc dcd dce dci dcn dcr ddc ddd dde ddi ddn ddr ddz de- dec ded dee dei den der dez di- dic did die dii din dir diz dnc dnd dne dni dnn dnr dnz drc drd dre dri drn drr drz dzd dze dzi dzr ec- ecc ecd ece eci ecn ecr ed- edc edd ede edi edn edr eec eed eee een eer eic eid eie eii ein eir en- enc end ene eni enn enr enz erc erd ere eri ern err erz eze ezr ezz i-d icc icd ice ici icn icr icz idc idd ide idi idn idr ie- iec ied iee iei ien ier iic iid iie iii iin iir in- inc ind ine ini inn inr ir- irc ird ire iri irn irr ize izi izz n-i ncc ncd nce nci ncn ncr ndc ndd nde ndi ndn ndr ne- nec ned nee nei nen ner nez nic nid nie nii nin nir niz nnc nne nni nnn nnz nrc nrd nre nri nrn nrr nrz nzd nze nzi nzz rcc rcd rce rci rcn rcr rdc rdd rde rdi rdn rdr re- rec red ree rei ren rer rez ric rid rie rii rin rir riz rnc rnd rni rnn rnr rnz rrc rrd rri rrn rrr rze zce zec zed zee zen zer zez zid zie zin zir ziz znc znd zne znn zzr zzz