-ey eee eek een eeo eep ees eey eie eii eik ein eio eip eis eke eki eko ekp eks eky en- ene eni enk enn eno enp ens eny eo- eoe eoi eok eon eoo eop eos ep- epe epi epn epo epp eps es- ese esi esk esn eso esp ess esy eye eyn eyo eyp eys ie- iee iei iek ien iep ies iey iie iii iin iio iip iis ike iki ikk iko iks in- ine ini ink inn ino inp ins iny io- ioe ioi ion ioo iop ios ipe ipi ipn ipo ipp ips ipy is- ise isi isk isn iso isp iss isy iye iyo iys iyy ke- kee kei kek ken keo kep kes key kie kii kik kin kio kip kis kke kki kkk kkn kkp kks kky kn- kne kni knk knn kno knp koe koi kok kon koo kop kos koy kpe kpi kpk kpn kpo kpp kps kse ksi ksk ksn kso ksp kss kye kyn kyo kyp kys n-i ne- nee nei nek nen neo nep nes ney nie nii nik nin nio nip nis nke nki nkk nkn nko nkp nks nky nne nni nnk nnn nno nnp nns no- noe noi nok non noo nop nos noy npe npi npn npo npp nps nse nsi nsk nsn nso nsp nss nsy nye nyk nyn nyo nyp nys nyy o-i oee oei oen oeo oep oes oey oie oii oik oin oio oip ois oke oki okk oko okp oks on- one oni onk onn ono onp ons ony oo- ooi ook oon ooo oop oos op- ope opi opk opn opo opp ops opy os- ose osi osk osn oso osp oss oye oyi oyo oys p-p pee pei pek pen peo pep pes pey pie pii pik pin pio pip pis pke pki pkn pko pkp pks pky pn- pne pni pnk pnn pno pnp pns pny poe poi pok pon poo pop pos poy ppe ppi ppk ppn ppo ppp pps ps- pse psi psk psn pso psp pss psy py- pye pyk pyn pyo pys se- see sei sek sen seo sep ses sey sie sii sik sin sio sip sis sk- ske ski skk sko skp sks sky sne sni snk snn sno snp sns sny soe soi sok son soo sop sos soy spe spi spk spn spo spp sps spy ss- sse ssi ssk ssn sso ssp sss sy- sye syi syk syn syp sys yee yei yek yen yeo yep yes yey yie yii yin yio yip yis yki ykk ykn yne ynk ynn ynp yns yny yoe yoi yok yon yoo yop yos yoy ypo yps yse ysi ysk yso ysp yss ysy yye yys yyy