-er -ic c-- ccc ccd cce ccf cci ccn ccr ccu cdc cdd cde cdf cdi cdn cdr cdu ce- cec ced cee cef cei cen cer ceu cfc cfd cfe cff cfi cfn cfr cfu ci- cic cid cie cif cii cin cir ciu cn- cnc cnd cne cnf cni cnn cnr cnu crc crd cre crf cri crn crr cru cuc cud cue cuf cui cun cur cuu dcc dcd dce dcf dci dcn dcr dcu ddc ddd dde ddf ddi ddn ddr ddu de- dec ded dee def dei den der deu dfc dfd dfe dff dfi dfn dfr dfu di- dic did die dif dii din dir diu dnc dnd dne dnf dni dnn dnr drc drd dre dri drn drr dru duc dud due duf dui dun dur ec- ecc ecd ece ecf eci ecn ecr ecu ed- edc edd ede edf edi edn edr edu eec eed eee eef een eer ef- efc efd efe eff efi efr eic eid eie eif eii ein eir eiu en- enc end ene enf eni enn enr enu erc erd ere erf eri ern err eru eu- euc eud eue euf eui eun eur fcc fcd fce fcf fci fcn fcr fcu fdc fdd fde fdf fdi fdn fdr fdu fec fed fee fef fei fen fer feu ffc ffd ffe fff ffi ffn ffr ffu fic fid fie fif fii fin fir fiu fnc fnd fne fnf fni fnn fnr fnu frc frd fre frf fri frn frr fru fud fue fuf fui fun fur fuu i-d i-f icc icd ice icf ici icn icr icu idc idd ide idf idi idn idr idu ie- iec ied iee ief iei ien ier ifc ifd ife iff ifi ifn ifr ifu iic iid iie iif iii iin iir iiu in- inc ind ine inf ini inn inr inu ir- irc ird ire irf iri irn irr iru iu- iuc iud iue iui iur n-i ncc ncd nce ncf nci ncn ncr ncu ndc ndd nde ndf ndi ndn ndr ndu ne- nec ned nee nef nei nen ner neu nfc nfd nfe nff nfi nfn nfr nfu nic nid nie nif nii nin nir niu nnc nne nnf nni nnn nnu nrc nrd nre nrf nri nrn nrr nru nuc nud nue nui nun nur nuu rcc rcd rce rcf rci rcn rcr rcu rdc rdd rde rdf rdi rdn rdr rdu re- rec red ree ref rei ren rer reu rfc rfd rfe rff rfi rfn rfr rfu ric rid rie rif rii rin rir rnc rnd rni rnn rnr rnu rrc rrd rrf rri rrn rrr rru ruc rud rue ruf rui run rur ruu ucc ucd uce ucf uci ucn ucr ucu udc udd ude udf udi udn udr udu uec ued uee uef uei uen uer ufc ufd ufe uff ufi ufn ufr ufu uic uid uie uif uii uin uir uiu un- unc und une unf uni unn unr unu ur- urc urd ure urf uri urn urr uru uuc uue uun uur uuu