-er -ey c-- ccc ccd cce ccf ccm cco ccr ccs cdc cdd cde cdf cdm cdo cdr cds cdy ce- cec ced cee cef cem ceo cer ces cey cfc cfd cfe cff cfm cfo cfr cfs cmc cmd cme cmf cmm cmo cmr cms cmy co- coc cod coe cof com coo cor cos coy crc crd cre crf crm cro crr crs cry csc csd cse csf csm cso csr css csy cyc cyd cye cyf cym cyo cyr cys dcc dcd dce dcf dcm dco dcr dcs ddc ddd dde ddf ddm ddo ddr dds ddy de- dec ded dee def dem deo der des dey dfc dfd dfe dff dfm dfo dfr dfs dmc dmd dme dmf dmm dmo dmr dms doc dod doe dof dom doo dor dos doy drc drd dre drm dro drr drs dry dsc dsd dse dsf dsm dso dsr dss dsy dy- dyc dyd dye dym dyo dyr dys dyy ec- ecc ecd ece ecf ecm eco ecr ecs ed- edc edd ede edf edm edo edr eds edy eec eed eee eef eem eeo eer ees eey ef- efc efd efe eff efm efo efr efs em- emc emd eme emf emm emo emr ems eo- eoc eod eoe eof eom eoo eor eos erc erd ere erf erm ero err ers ery es- esc esd ese esf esm eso esr ess esy eyc eyd eye eym eyo eyr eys fcc fcd fce fcf fcm fco fcr fcs fcy fdc fdd fde fdf fdm fdo fdr fds fec fed fee fef fem feo fer fes fey ffc ffd ffe fff ffm ffo ffr ffs ffy fmc fmd fme fmf fmm fmo fmr fms foc foe fof fom foo for fos foy frc frd fre frf frm fro frr frs fry fsc fsd fse fsf fsm fso fsr fss fy- fyc fye fyo m-f m-o m-r mc- mcc mcd mce mcf mcm mco mcr mcs mdc mdd mde mdf mdm mdo mdr mds mdy mec med mee mef mem meo mer mes mey mfc mfd mfe mff mfm mfo mfr mfs mfy mmc mmd mme mmf mmm mmo mmr mms moc mod moe mof mom moo mor mos moy mrc mrd mre mrf mrm mro mrr mrs mry msc msd mse msf msm mso msr mss msy my- myc myd mye myf mym myo myr mys oc- occ ocd ocf ocm oco ocr ocs odc odd ode odf odm odo odr ods oec oed oee oef oem oeo oer oes oey of- ofc ofd ofe off ofm ofo ofr ofs om- omc omd ome omf omm omo omr oms omy oo- ooc ood oof oom ooo oor oos or- orc ord ore orf orm oro orr ors ory os- osc osd ose osf osm oso osr oss oyd oye oyo oys rcc rcd rce rcf rcm rco rcr rcs rdc rdd rde rdf rdm rdo rdr rds rdy re- rec red ree ref rem reo rer res rey rfc rfd rfe rff rfm rfo rfr rfs rmc rmd rme rmf rmm rmo rmr rms roc rod roe rof rom roo ror ros roy rrc rrd rrf rrm rrr rrs rsc rsd rse rsf rsm rso rsr rss ry- ryc ryd rye ryf rym ryo ryr rys ryy scc scd sce scf scm sco scr scs sdc sdd sde sdf sdm sdo sdr sds sdy se- sec sed see sef sem seo ser ses sey sfc sfd sfe sff sfm sfo sfr sfs smc smd sme smf smm smo smr sms smy soc sod soe sof som soo sor sos soy sr- src srd sre srf srm sro srr srs sry ss- ssc ssd sse ssf ssm sso ssr sss sy- syc syd sye sym syr sys ycc ycd yce ycf yco ycs ycy yde ydo yds ydy yec yed yee yef yem yeo yer yes yey yfc yfd yfe yff yfm yfr yfs ymc yme ymm ymo yms yoc yod yoe yof yom yoo yor yos yoy yrc yre yrf yro yrs ysc yse ysm yso ysr yss ysy yyc yye yyf yys yyy