-ey c-- ccc cce ccn cco ccp ce- cec cee cen ceo cep cey cn- cnc cne cnn cno cnp cny co- coc coe con coo cop coy cpc cpe cpn cpo cpp cyc cye cyn cyo cyp ec- ecc ece ecn eco eec eee een eeo eep eey en- enc ene enn eno enp eny eo- eoc eoe eon eoo eop ep- epc epe epn epo epp eyc eye eyn eyo eyp ncc nce ncn nco ncp ne- nec nee nen neo nep ney nnc nne nnn nno nnp no- noc noe non noo nop noy npc npe npn npo npp nyc nye nyn nyo nyp nyy oc- occ ocn oco ocp oec oee oen oeo oep oey on- onc one onn ono onp ony oo- ooc oon ooo oop op- opc ope opn opo opp opy oye oyo p-p pcc pce pcn pco pcp pec pee pen peo pep pey pn- pnc pne pnn pno pnp pny poc poe pon poo pop poy ppc ppe ppn ppo ppp py- pyc pye pyn pyo ycc yce yco ycp ycy yec yee yen yeo yep yey yne ynn ynp yny yoc yoe yon yoo yop yoy ypo yyc yye yyy