-ey eee eeo eep ees eet eey eie eii eio eip eis eit eo- eoe eoi eoo eop eos eot ep- epe epi epo epp eps ept es- ese esi eso esp ess est esy ete eti eto etp ets ett ety eye eyo eyp eys eyt ie- iee iei iep ies iet iey iie iii iio iip iis iit io- ioe ioi ioo iop ios iot ipe ipi ipo ipp ips ipt ipy is- ise isi iso isp iss ist isy ite iti ito itp its itt ity iye iyo iys iyt iyy o-i oee oei oeo oep oes oet oey oie oii oio oip ois oit oo- ooi ooo oop oos oot op- ope opi opo opp ops opt opy os- ose osi oso osp oss ost ot- ote oti oto otp ots ott oye oyi oyo oys p-p pee pei peo pep pes pet pey pie pii pio pip pis pit poe poi poo pop pos pot poy ppe ppi ppo ppp pps ppt ps- pse psi pso psp pss pst psy pt- pte pti pto ptp pts ptt pty py- pye pyo pys pyt se- see sei seo sep ses set sey sie sii sio sip sis sit soe soi soo sop sos sot soy spe spi spo spp sps spt spy ss- sse ssi sso ssp sss sst ste sti sto stp sts stt sty sy- sye syi syp sys syt te- tee tei teo tep tes tet tey tie tii tio tip tis tit tiy to- toe toi too top tos tot toy tpe tpi tpo tpp tps tpt tse tsi tso tsp tss tst tsy tte tti tto ttp tts ttt tty tye tyo typ tys tyt yee yei yeo yep yes yet yey yie yii yio yip yis yit yoe yoi yoo yop yos yot yoy ypo yps yse ysi yso ysp yss yst ysy yte yto ytp yts ytt yye yys yyt yyy