-er c-- ccc ccd cce ccf cch ccm cco ccr cdc cdd cde cdf cdh cdm cdo cdr ce- cec ced cee cef ceh cem ceo cer cfc cfd cfe cff cfh cfm cfo cfr ch- chc chd che chf chh chm cho chr cmc cmd cme cmf cmh cmm cmo cmr co- coc cod coe cof coh com coo cor crc crd cre crf crh crm cro crr dcc dcd dce dcf dcm dco dcr ddc ddd dde ddf ddh ddm ddo ddr de- dec ded dee def deh dem deo der dfc dfd dfe dff dfh dfm dfo dfr dh- dhc dhd dhe dhf dhh dhm dho dhr dmc dmd dme dmf dmh dmm dmo dmr doc dod doe dof doh dom doo dor drc drd dre drm dro drr ec- ecc ecd ece ecf ech ecm eco ecr ed- edc edd ede edf edh edm edo edr eec eed eee eef eem eeo eer ef- efc efd efe eff efh efm efo efr ehc ehd ehe ehf ehh ehm eho ehr em- emc emd eme emf emh emm emo emr eo- eoc eod eoe eof eoh eom eoo eor erc erd ere erf erh erm ero err fcc fcd fce fcf fcm fco fcr fdc fdd fde fdf fdh fdm fdo fdr fec fed fee fef feh fem feo fer ffc ffd ffe fff ffh ffm ffo ffr fhc fhe fhf fhh fhm fho fhr fmc fmd fme fmf fmh fmm fmo fmr foc foe fof foh fom foo for frc frd fre frf frh frm fro frr hcc hcd hce hcf hch hcm hco hcr hdc hdd hde hdf hdh hdm hdo hdr he- hec hed hee hef heh hem heo her hfc hfd hfe hff hfh hfm hfo hfr hhc hhd hhe hhf hhh hhm hho hhr hmc hmd hme hmf hmh hmm hmo hmr hoc hod hoe hof hoh hom hoo hor hr- hrc hrd hre hrf hrh hrm hro hrr m-f m-o m-r mc- mcc mcd mce mcf mch mcm mco mcr mdc mdd mde mdf mdh mdm mdo mdr mec med mee mef meh mem meo mer mfc mfd mfe mff mfh mfm mfo mfr mhc mhd mhf mhh mhm mho mhr mmc mmd mme mmf mmh mmm mmo mmr moc mod moe mof moh mom moo mor mrc mrd mre mrf mrh mrm mro mrr oc- occ ocd ocf och ocm oco ocr odc odd ode odf odh odm odo odr oec oed oee oef oeh oem oeo oer of- ofc ofd ofe off ofm ofo ofr ohc ohd ohe ohf ohh ohm oho ohr om- omc omd ome omf omh omm omo omr oo- ooc ood oof ooh oom ooo oor or- orc ord ore orf orh orm oro orr rcc rcd rce rcf rch rcm rco rcr rdc rdd rde rdf rdh rdm rdo rdr re- rec red ree ref reh rem reo rer rfc rfd rfe rff rfh rfm rfo rfr rh- rhc rhd rhe rhf rhh rhm rho rhr rmc rmd rme rmf rmh rmm rmo rmr roc rod roe rof roh rom roo ror rrc rrd rrf rrh rrm rrr