-ey eee eek een eep ees eey eke ekp eks eky en- ene enk enn enp ens eny ep- epe epn epp eps es- ese esk esn esp ess esy eye eyn eyp eys ke- kee kek ken kep kes key kke kkk kkn kkp kks kky kn- kne knk knn knp kpe kpk kpn kpp kps kse ksk ksn ksp kss kye kyn kyp kys ne- nee nek nen nep nes ney nke nkk nkn nkp nks nky nne nnk nnn nnp nns npe npn npp nps nse nsk nsn nsp nss nsy nye nyk nyn nyp nys nyy p-p pee pek pen pep pes pey pke pkn pkp pks pky pn- pne pnk pnn pnp pns pny ppe ppk ppn ppp pps ps- pse psk psn psp pss psy py- pye pyk pyn pys se- see sek sen sep ses sey sk- ske skk skp sks sky sne snk snn snp sns sny spe spk spn spp sps spy ss- sse ssk ssn ssp sss sy- sye syk syn syp sys yee yek yen yep yes yey ykk ykn yne ynk ynn ynp yns yny yps yse ysk ysp yss ysy yye yys yyy