-ey c-- ccc ccd cce ccm cco cdc cdd cde cdm cdo cdy ce- cec ced cee cem ceo cey cmc cmd cme cmm cmo cmy co- coc cod coe com coo coy cyc cyd cye cym cyo dcc dcd dce dcm dco ddc ddd dde ddm ddo ddy de- dec ded dee dem deo dey dmc dmd dme dmm dmo doc dod doe dom doo doy dy- dyc dyd dye dym dyo dyy ec- ecc ecd ece ecm eco ed- edc edd ede edm edo edy eec eed eee eem eeo eey em- emc emd eme emm emo eo- eoc eod eoe eom eoo eyc eyd eye eym eyo m-o mc- mcc mcd mce mcm mco mdc mdd mde mdm mdo mdy mec med mee mem meo mey mmc mmd mme mmm mmo moc mod moe mom moo moy my- myc myd mye mym myo oc- occ ocd ocm oco odc odd ode odm odo oec oed oee oem oeo oey om- omc omd ome omm omo omy oo- ooc ood oom ooo oyd oye oyo ycc ycd yce yco ycy yde ydo ydy yec yed yee yem yeo yey ymc yme ymm ymo yoc yod yoe yom yoo yoy yyc yye yyy