-ey eee een eep ees eey eie eii ein eip eis en- ene eni enn enp ens eny ep- epe epi epn epp eps es- ese esi esn esp ess esy eye eyn eyp eys ie- iee iei ien iep ies iey iie iii iin iip iis in- ine ini inn inp ins iny ipe ipi ipn ipp ips ipy is- ise isi isn isp iss isy iye iys iyy n-i ne- nee nei nen nep nes ney nie nii nin nip nis nne nni nnn nnp nns npe npi npn npp nps nse nsi nsn nsp nss nsy nye nyn nyp nys nyy p-p pee pei pen pep pes pey pie pii pin pip pis pn- pne pni pnn pnp pns pny ppe ppi ppn ppp pps ps- pse psi psn psp pss psy py- pye pyn pys se- see sei sen sep ses sey sie sii sin sip sis sne sni snn snp sns sny spe spi spn spp sps spy ss- sse ssi ssn ssp sss sy- sye syi syn syp sys yee yei yen yep yes yey yie yii yin yip yis yne ynn ynp yns yny yps yse ysi ysp yss ysy yye yys yyy