-ey c-- ccc cce ccn cco ccp ccs ce- cec cee cen ceo cep ces cey cn- cnc cne cnn cno cnp cns cny co- coc coe con coo cop cos coy cpc cpe cpn cpo cpp cps csc cse csn cso csp css csy cyc cye cyn cyo cyp cys ec- ecc ece ecn eco ecs eec eee een eeo eep ees eey en- enc ene enn eno enp ens eny eo- eoc eoe eon eoo eop eos ep- epc epe epn epo epp eps es- esc ese esn eso esp ess esy eyc eye eyn eyo eyp eys ncc nce ncn nco ncp ncs ne- nec nee nen neo nep nes ney nnc nne nnn nno nnp nns no- noc noe non noo nop nos noy npc npe npn npo npp nps nsc nse nsn nso nsp nss nsy nyc nye nyn nyo nyp nys nyy oc- occ ocn oco ocp ocs oec oee oen oeo oep oes oey on- onc one onn ono onp ons ony oo- ooc oon ooo oop oos op- opc ope opn opo opp ops opy os- osc ose osn oso osp oss oye oyo oys p-p pcc pce pcn pco pcp pcs pec pee pen peo pep pes pey pn- pnc pne pnn pno pnp pns pny poc poe pon poo pop pos poy ppc ppe ppn ppo ppp pps ps- psc pse psn pso psp pss psy py- pyc pye pyn pyo pys scc sce scn sco scp scs se- sec see sen seo sep ses sey snc sne snn sno snp sns sny soc soe son soo sop sos soy spc spe spn spo spp sps spy ss- ssc sse ssn sso ssp sss sy- syc sye syn syp sys ycc yce yco ycp ycs ycy yec yee yen yeo yep yes yey yne ynn ynp yns yny yoc yoe yon yoo yop yos yoy ypo yps ysc yse yso ysp yss ysy yyc yye yys yyy