-er -ey c-- ccc ccd cce ccm cco ccr ccs cdc cdd cde cdm cdo cdr cds cdy ce- cec ced cee cem ceo cer ces cey cmc cmd cme cmm cmo cmr cms cmy co- coc cod coe com coo cor cos coy crc crd cre crm cro crr crs cry csc csd cse csm cso csr css csy cyc cyd cye cym cyo cyr cys dcc dcd dce dcm dco dcr dcs ddc ddd dde ddm ddo ddr dds ddy de- dec ded dee dem deo der des dey dmc dmd dme dmm dmo dmr dms doc dod doe dom doo dor dos doy drc drd dre drm dro drr drs dry dsc dsd dse dsm dso dsr dss dsy dy- dyc dyd dye dym dyo dyr dys dyy ec- ecc ecd ece ecm eco ecr ecs ed- edc edd ede edm edo edr eds edy eec eed eee eem eeo eer ees eey em- emc emd eme emm emo emr ems eo- eoc eod eoe eom eoo eor eos erc erd ere erm ero err ers ery es- esc esd ese esm eso esr ess esy eyc eyd eye eym eyo eyr eys m-o m-r mc- mcc mcd mce mcm mco mcr mcs mdc mdd mde mdm mdo mdr mds mdy mec med mee mem meo mer mes mey mmc mmd mme mmm mmo mmr mms moc mod moe mom moo mor mos moy mrc mrd mre mrm mro mrr mrs mry msc msd mse msm mso msr mss msy my- myc myd mye mym myo myr mys oc- occ ocd ocm oco ocr ocs odc odd ode odm odo odr ods oec oed oee oem oeo oer oes oey om- omc omd ome omm omo omr oms omy oo- ooc ood oom ooo oor oos or- orc ord ore orm oro orr ors ory os- osc osd ose osm oso osr oss oyd oye oyo oys rcc rcd rce rcm rco rcr rcs rdc rdd rde rdm rdo rdr rds rdy re- rec red ree rem reo rer res rey rmc rmd rme rmm rmo rmr rms roc rod roe rom roo ror ros roy rrc rrd rrm rrr rrs rsc rsd rse rsm rso rsr rss ry- ryc ryd rye rym ryo ryr rys ryy scc scd sce scm sco scr scs sdc sdd sde sdm sdo sdr sds sdy se- sec sed see sem seo ser ses sey smc smd sme smm smo smr sms smy soc sod soe som soo sor sos soy sr- src srd sre srm sro srr srs sry ss- ssc ssd sse ssm sso ssr sss sy- syc syd sye sym syr sys ycc ycd yce yco ycs ycy yde ydo yds ydy yec yed yee yem yeo yer yes yey ymc yme ymm ymo yms yoc yod yoe yom yoo yor yos yoy yrc yre yro yrs ysc yse ysm yso ysr yss ysy yyc yye yys yyy