-ey c-- ccc ccd cce ccm ccv cdc cdd cde cdm cdv cdy ce- cec ced cee cem cev cey cmc cmd cme cmm cmv cmy cvc cvd cve cvm cvv cyc cyd cye cym dcc dcd dce dcm dcv ddc ddd dde ddm ddy de- dec ded dee dem dev dey dmc dmd dme dmm dmv dvc dvd dve dvm dy- dyc dyd dye dym dyy ec- ecc ecd ece ecm ecv ed- edc edd ede edm edy eec eed eee eem eev eey em- emc emd eme emm emv evc evd eve evm evv evy eyc eyd eye eym m-v mc- mcc mcd mce mcm mcv mdc mdd mde mdm mdv mdy mec med mee mem mev mey mmc mmd mme mmm mmv mvc mvd mve mvm mvv mvy my- myc myd mye mym myv v-e vcc vcd vce vcm vcy vdc vdd vde vdm vdv vec ved vee vem vey vm- vmc vmd vmm vvc vvm vvv vyd vye vym ycc ycd yce ycv ycy yde ydy yec yed yee yem yev yey ymc yme ymm yve yvy yyc yye yyy