-ey c-- ccc ccd cce ccm cco ccs cdc cdd cde cdm cdo cds cdy ce- cec ced cee cem ceo ces cey cmc cmd cme cmm cmo cms cmy co- coc cod coe com coo cos coy csc csd cse csm cso css csy cyc cyd cye cym cyo cys dcc dcd dce dcm dco dcs ddc ddd dde ddm ddo dds ddy de- dec ded dee dem deo des dey dmc dmd dme dmm dmo dms doc dod doe dom doo dos doy dsc dsd dse dsm dso dss dsy dy- dyc dyd dye dym dyo dys dyy ec- ecc ecd ece ecm eco ecs ed- edc edd ede edm edo eds edy eec eed eee eem eeo ees eey em- emc emd eme emm emo ems eo- eoc eod eoe eom eoo eos es- esc esd ese esm eso ess esy eyc eyd eye eym eyo eys m-o mc- mcc mcd mce mcm mco mcs mdc mdd mde mdm mdo mds mdy mec med mee mem meo mes mey mmc mmd mme mmm mmo mms moc mod moe mom moo mos moy msc msd mse msm mso mss msy my- myc myd mye mym myo mys oc- occ ocd ocm oco ocs odc odd ode odm odo ods oec oed oee oem oeo oes oey om- omc omd ome omm omo oms omy oo- ooc ood oom ooo oos os- osc osd ose osm oso oss oyd oye oyo oys scc scd sce scm sco scs sdc sdd sde sdm sdo sds sdy se- sec sed see sem seo ses sey smc smd sme smm smo sms smy soc sod soe som soo sos soy ss- ssc ssd sse ssm sso sss sy- syc syd sye sym sys ycc ycd yce yco ycs ycy yde ydo yds ydy yec yed yee yem yeo yes yey ymc yme ymm ymo yms yoc yod yoe yom yoo yos yoy ysc yse ysm yso yss ysy yyc yye yys yyy