-er c-- ccc ccd cce ccf ccn cco ccr ccu cdc cdd cde cdf cdn cdo cdr cdu ce- cec ced cee cef cen ceo cer ceu cfc cfd cfe cff cfn cfo cfr cfu cn- cnc cnd cne cnf cnn cno cnr cnu co- coc cod coe cof con coo cor cou crc crd cre crf crn cro crr cru cuc cud cue cuf cun cuo cur cuu dcc dcd dce dcf dcn dco dcr dcu ddc ddd dde ddf ddn ddo ddr ddu de- dec ded dee def den deo der deu dfc dfd dfe dff dfn dfo dfr dfu dnc dnd dne dnf dnn dno dnr doc dod doe dof don doo dor dou drc drd dre drn dro drr dru duc dud due duf dun duo dur ec- ecc ecd ece ecf ecn eco ecr ecu ed- edc edd ede edf edn edo edr edu eec eed eee eef een eeo eer ef- efc efd efe eff efo efr en- enc end ene enf enn eno enr enu eo- eoc eod eoe eof eon eoo eor eou erc erd ere erf ern ero err eru eu- euc eud eue euf eun eur fcc fcd fce fcf fcn fco fcr fcu fdc fdd fde fdf fdn fdo fdr fdu fec fed fee fef fen feo fer feu ffc ffd ffe fff ffn ffo ffr ffu fnc fnd fne fnf fnn fnr fnu foc foe fof fon foo for fou frc frd fre frf frn fro frr fru fud fue fuf fun fuo fur fuu ncc ncd nce ncf ncn nco ncr ncu ndc ndd nde ndf ndn ndo ndr ndu ne- nec ned nee nef nen neo ner neu nfc nfd nfe nff nfn nfo nfr nfu nnc nne nnf nnn nno nnu no- noc nod noe nof non noo nor nou nrc nrd nre nrf nrn nro nrr nru nuc nud nue nun nuo nur nuu oc- occ ocd ocf ocn oco ocr ocu odc odd ode odf odn odo odr odu oec oed oee oef oen oeo oer of- ofc ofd ofe off ofn ofo ofr ofu on- onc ond one onf onn ono onr onu oo- ooc ood oof oon ooo oor or- orc ord ore orf orn oro orr oru ou- ouc oud oue ouf oun ouo our rcc rcd rce rcf rcn rco rcr rcu rdc rdd rde rdf rdn rdo rdr rdu re- rec red ree ref ren reo rer reu rfc rfd rfe rff rfn rfo rfr rfu rnc rnd rnn rno rnr rnu roc rod roe rof ron roo ror rou rrc rrd rrf rrn rrr rru ruc rud rue ruf run ruo rur ruu ucc ucd uce ucf ucn uco ucr ucu udc udd ude udf udn udo udr udu uec ued uee uef uen uer ufc ufd ufe uff ufn ufo ufr ufu un- unc und une unf unn uno unr unu uoc uod uoe uon uoo uor ur- urc urd ure urf urn uro urr uru uuc uue uun uur uuu