-ey eee eek een eep ees eey eie eii eik ein eip eis eke eki ekp eks eky en- ene eni enk enn enp ens eny ep- epe epi epn epp eps es- ese esi esk esn esp ess esy eye eyn eyp eys ie- iee iei iek ien iep ies iey iie iii iin iip iis ike iki ikk iks in- ine ini ink inn inp ins iny ipe ipi ipn ipp ips ipy is- ise isi isk isn isp iss isy iye iys iyy ke- kee kei kek ken kep kes key kie kii kik kin kip kis kke kki kkk kkn kkp kks kky kn- kne kni knk knn knp kpe kpi kpk kpn kpp kps kse ksi ksk ksn ksp kss kye kyn kyp kys n-i ne- nee nei nek nen nep nes ney nie nii nik nin nip nis nke nki nkk nkn nkp nks nky nne nni nnk nnn nnp nns npe npi npn npp nps nse nsi nsk nsn nsp nss nsy nye nyk nyn nyp nys nyy p-p pee pei pek pen pep pes pey pie pii pik pin pip pis pke pki pkn pkp pks pky pn- pne pni pnk pnn pnp pns pny ppe ppi ppk ppn ppp pps ps- pse psi psk psn psp pss psy py- pye pyk pyn pys se- see sei sek sen sep ses sey sie sii sik sin sip sis sk- ske ski skk skp sks sky sne sni snk snn snp sns sny spe spi spk spn spp sps spy ss- sse ssi ssk ssn ssp sss sy- sye syi syk syn syp sys yee yei yek yen yep yes yey yie yii yin yip yis yki ykk ykn yne ynk ynn ynp yns yny yps yse ysi ysk ysp yss ysy yye yys yyy