-ey c-- ccc cce ccn cco ccv ce- cec cee cen ceo cev cey cn- cnc cne cnn cno cnv cny co- coc coe con coo cov coy cvc cve cvn cvo cvv cyc cye cyn cyo ec- ecc ece ecn eco ecv eec eee een eeo eev eey en- enc ene enn eno env eny eo- eoc eoe eon eoo evc eve evn evo evv evy eyc eye eyn eyo ncc nce ncn nco ncv ne- nec nee nen neo nev ney nnc nne nnn nno nnv no- noc noe non noo nov noy nvc nve nvn nvv nyc nye nyn nyo nyy oc- occ ocn oco ocv oec oee oen oeo oey on- onc one onn ono ony oo- ooc oon ooo oov ov- ovc ove ovo ovv oye oyo v-e vcc vce vcn vco vcy vec vee ven veo vey vn- vno vnv voc voe von voo vov voy vvc vvo vvv vye vyn ycc yce yco ycv ycy yec yee yen yeo yev yey yne ynn yny yoc yoe yon yoo yoy yve yvo yvy yyc yye yyy