-ey c-- ccc cce cck ccn ccs ce- cec cee cek cen ces cey ckc cks cky cn- cnc cne cnn cns cny csc cse csk csn css csy cyc cye cyk cyn cys ec- ecc ece eck ecn ecs eec eee eek een ees eey ekc eke eks eky en- enc ene enk enn ens eny es- esc ese esk esn ess esy eyc eye eyn eys kcc kce kck kcn kcs ke- kec kee kek ken kes key kkc kke kkk kkn kks kky kn- knc kne knk knn ksc kse ksk ksn kss kyc kye kyn kys ncc nce nck ncn ncs ne- nec nee nek nen nes ney nkc nke nkk nkn nks nky nnc nne nnk nnn nns nsc nse nsk nsn nss nsy nyc nye nyk nyn nys nyy scc sce sck scn scs se- sec see sek sen ses sey sk- skc ske skk sks sky snc sne snk snn sns sny ss- ssc sse ssk ssn sss sy- syc sye syk syn sys ycc yce ycs ycy yec yee yek yen yes yey ykk ykn yne ynk ynn yns yny ysc yse ysk yss ysy yyc yye yys yyy