-er c-- ccc ccd cce ccf ccm ccn cco ccr cdc cdd cde cdf cdm cdn cdo cdr ce- cec ced cee cef cem cen ceo cer cfc cfd cfe cff cfm cfn cfo cfr cmc cmd cme cmf cmm cmn cmo cmr cn- cnc cnd cne cnf cnm cnn cno cnr co- coc cod coe cof com con coo cor crc crd cre crf crm crn cro crr dcc dcd dce dcf dcm dcn dco dcr ddc ddd dde ddf ddm ddn ddo ddr de- dec ded dee def dem den deo der dfc dfd dfe dff dfm dfn dfo dfr dmc dmd dme dmf dmm dmn dmo dmr dnc dnd dne dnf dnm dnn dno dnr doc dod doe dof dom don doo dor drc drd dre drm drn dro drr ec- ecc ecd ece ecf ecm ecn eco ecr ed- edc edd ede edf edm edn edo edr eec eed eee eef eem een eeo eer ef- efc efd efe eff efm efo efr em- emc emd eme emf emm emn emo emr en- enc end ene enf enm enn eno enr eo- eoc eod eoe eof eom eon eoo eor erc erd ere erf erm ern ero err fcc fcd fce fcf fcm fcn fco fcr fdc fdd fde fdf fdm fdn fdo fdr fec fed fee fef fem fen feo fer ffc ffd ffe fff ffm ffn ffo ffr fmc fmd fme fmf fmm fmn fmo fmr fnc fnd fne fnf fnm fnn fnr foc foe fof fom fon foo for frc frd fre frf frm frn fro frr m-f m-o m-r mc- mcc mcd mce mcf mcm mcn mco mcr mdc mdd mde mdf mdm mdn mdo mdr mec med mee mef mem men meo mer mfc mfd mfe mff mfm mfn mfo mfr mmc mmd mme mmf mmm mmn mmo mmr mnc mne mnf mnm mnn mno mnr moc mod moe mof mom mon moo mor mrc mrd mre mrf mrm mrn mro mrr ncc ncd nce ncf ncm ncn nco ncr ndc ndd nde ndf ndm ndn ndo ndr ne- nec ned nee nef nem nen neo ner nfc nfd nfe nff nfn nfo nfr nmc nmd nme nmm nmn nmo nmr nnc nne nnf nnm nnn nno no- noc nod noe nof nom non noo nor nrc nrd nre nrf nrm nrn nro nrr oc- occ ocd ocf ocm ocn oco ocr odc odd ode odf odm odn odo odr oec oed oee oef oem oen oeo oer of- ofc ofd ofe off ofm ofn ofo ofr om- omc omd ome omf omm omn omo omr on- onc ond one onf onn ono onr oo- ooc ood oof oom oon ooo oor or- orc ord ore orf orm orn oro orr rcc rcd rce rcf rcm rcn rco rcr rdc rdd rde rdf rdm rdn rdo rdr re- rec red ree ref rem ren reo rer rfc rfd rfe rff rfm rfn rfo rfr rmc rmd rme rmf rmm rmn rmo rmr rnc rnd rnm rnn rno rnr roc rod roe rof rom ron roo ror rrc rrd rrf rrm rrn rrr