-ey -ic c-- ccc ccd cce cci ccm cdc cdd cde cdi cdm cdy ce- cec ced cee cei cem cey ci- cic cid cie cii cim cmc cmd cme cmi cmm cmy cyc cyd cye cym dcc dcd dce dci dcm ddc ddd dde ddi ddm ddy de- dec ded dee dei dem dey di- dic did die dii dim diy dmc dmd dme dmi dmm dy- dyc dyd dye dym dyy ec- ecc ecd ece eci ecm ed- edc edd ede edi edm edy eec eed eee eem eey eic eid eie eii eim em- emc emd eme emi emm eyc eyd eye eym i-d icc icd ice ici icm icy idc idd ide idi idm idy ie- iec ied iee iei iem iey iic iid iie iii iim im- imc imd ime imi imm imy iyc iye iym iyy mc- mcc mcd mce mci mcm mdc mdd mde mdi mdm mdy mec med mee mei mem mey mi- mic mid mie mii mim miy mmc mmd mme mmi mmm my- myc myd mye mym ycc ycd yce yci ycy yde ydy yec yed yee yei yem yey yid yie yii yim ymc yme ymi ymm yyc yye yyy