-ey c-- ccc ccd cce ccn cco cdc cdd cde cdn cdo cdy ce- cec ced cee cen ceo cey cn- cnc cnd cne cnn cno cny co- coc cod coe con coo coy cyc cyd cye cyn cyo dcc dcd dce dcn dco ddc ddd dde ddn ddo ddy de- dec ded dee den deo dey dnc dnd dne dnn dno dny doc dod doe don doo doy dy- dyc dyd dye dyn dyo dyy ec- ecc ecd ece ecn eco ed- edc edd ede edn edo edy eec eed eee een eeo eey en- enc end ene enn eno eny eo- eoc eod eoe eon eoo eyc eyd eye eyn eyo ncc ncd nce ncn nco ndc ndd nde ndn ndo ndy ne- nec ned nee nen neo ney nnc nne nnn nno no- noc nod noe non noo noy nyc nyd nye nyn nyo nyy oc- occ ocd ocn oco odc odd ode odn odo oec oed oee oen oeo oey on- onc ond one onn ono ony oo- ooc ood oon ooo oyd oye oyo ycc ycd yce yco ycy yde ydn ydo ydy yec yed yee yen yeo yey ynd yne ynn yny yoc yod yoe yon yoo yoy yyc yye yyy