-er -ic c-- ccc ccd cce ccf cci ccn ccr cdc cdd cde cdf cdi cdn cdr ce- cec ced cee cef cei cen cer cfc cfd cfe cff cfi cfn cfr ci- cic cid cie cif cii cin cir cn- cnc cnd cne cnf cni cnn cnr crc crd cre crf cri crn crr dcc dcd dce dcf dci dcn dcr ddc ddd dde ddf ddi ddn ddr de- dec ded dee def dei den der dfc dfd dfe dff dfi dfn dfr di- dic did die dif dii din dir dnc dnd dne dnf dni dnn dnr drc drd dre dri drn drr ec- ecc ecd ece ecf eci ecn ecr ed- edc edd ede edf edi edn edr eec eed eee eef een eer ef- efc efd efe eff efi efr eic eid eie eif eii ein eir en- enc end ene enf eni enn enr erc erd ere erf eri ern err fcc fcd fce fcf fci fcn fcr fdc fdd fde fdf fdi fdn fdr fec fed fee fef fei fen fer ffc ffd ffe fff ffi ffn ffr fic fid fie fif fii fin fir fnc fnd fne fnf fni fnn fnr frc frd fre frf fri frn frr i-d i-f icc icd ice icf ici icn icr idc idd ide idf idi idn idr ie- iec ied iee ief iei ien ier ifc ifd ife iff ifi ifn ifr iic iid iie iif iii iin iir in- inc ind ine inf ini inn inr ir- irc ird ire irf iri irn irr n-i ncc ncd nce ncf nci ncn ncr ndc ndd nde ndf ndi ndn ndr ne- nec ned nee nef nei nen ner nfc nfd nfe nff nfi nfn nfr nic nid nie nif nii nin nir nnc nne nnf nni nnn nrc nrd nre nrf nri nrn nrr rcc rcd rce rcf rci rcn rcr rdc rdd rde rdf rdi rdn rdr re- rec red ree ref rei ren rer rfc rfd rfe rff rfi rfn rfr ric rid rie rif rii rin rir rnc rnd rni rnn rnr rrc rrd rrf rri rrn rrr