-ey c-- ccc cce ccn cco ccs ce- cec cee cen ceo ces cey cn- cnc cne cnn cno cns cny co- coc coe con coo cos coy csc cse csn cso css csy cyc cye cyn cyo cys ec- ecc ece ecn eco ecs eec eee een eeo ees eey en- enc ene enn eno ens eny eo- eoc eoe eon eoo eos es- esc ese esn eso ess esy eyc eye eyn eyo eys ncc nce ncn nco ncs ne- nec nee nen neo nes ney nnc nne nnn nno nns no- noc noe non noo nos noy nsc nse nsn nso nss nsy nyc nye nyn nyo nys nyy oc- occ ocn oco ocs oec oee oen oeo oes oey on- onc one onn ono ons ony oo- ooc oon ooo oos os- osc ose osn oso oss oye oyo oys scc sce scn sco scs se- sec see sen seo ses sey snc sne snn sno sns sny soc soe son soo sos soy ss- ssc sse ssn sso sss sy- syc sye syn sys ycc yce yco ycs ycy yec yee yen yeo yes yey yne ynn yns yny yoc yoe yon yoo yos yoy ysc yse yso yss ysy yyc yye yys yyy