iii iin iio iip iis iit in- ini inn ino inp ins int iny io- ioi ion ioo iop ios iot ipi ipn ipo ipp ips ipt ipy is- isi isn iso isp iss ist isy iti itn ito itp its itt ity iyo iys iyt iyy n-i nii nin nio nip nis nit nni nnn nno nnp nns nnt no- noi non noo nop nos not noy npi npn npo npp nps npt nsi nsn nso nsp nss nst nsy nti ntn nto ntp nts ntt nyn nyo nyp nys nyt nyy o-i oii oin oio oip ois oit on- oni onn ono onp ons ont ony oo- ooi oon ooo oop oos oot op- opi opn opo opp ops opt opy os- osi osn oso osp oss ost ot- oti otn oto otp ots ott oyi oyo oys p-p pii pin pio pip pis pit pn- pni pnn pno pnp pns pnt pny poi pon poo pop pos pot poy ppi ppn ppo ppp pps ppt ps- psi psn pso psp pss pst psy pt- pti ptn pto ptp pts ptt pty py- pyn pyo pys pyt sii sin sio sip sis sit sni snn sno snp sns snt sny soi son soo sop sos sot soy spi spn spo spp sps spt spy ss- ssi ssn sso ssp sss sst sti stn sto stp sts stt sty sy- syi syn syp sys syt tii tin tio tip tis tit tiy tni tnn tno tnp tns tnt to- toi ton too top tos tot toy tpi tpn tpo tpp tps tpt tsi tsn tso tsp tss tst tsy tti ttn tto ttp tts ttt tty tyn tyo typ tys tyt yii yin yio yip yis yit ynn ynp yns yny yoi yon yoo yop yos yot yoy ypo yps ysi yso ysp yss yst ysy ytn yto ytp yts ytt yys yyt yyy