iii iin iio iip iir iis iit in- ini inn ino inp inr ins int iny io- ioi ion ioo iop ior ios iot ipi ipn ipo ipp ipr ips ipt ipy ir- iri irn iro irp irr irs irt iry is- isi isn iso isp isr iss ist isy iti itn ito itp its itt ity iyo iyr iys iyt iyy n-i nii nin nio nip nir nis nit nni nnn nno nnp nns nnt no- noi non noo nop nor nos not noy npi npn npo npp npr nps npt nri nrn nro nrp nrr nrs nrt nry nsi nsn nso nsp nsr nss nst nsy nti ntn nto ntp ntr nts ntt nyn nyo nyp nys nyt nyy o-i oii oin oio oip oir ois oit on- oni onn ono onp onr ons ont ony oo- ooi oon ooo oop oor oos oot op- opi opn opo opp opr ops opt opy or- ori orn oro orp orr ors ort ory os- osi osn oso osp osr oss ost ot- oti otn oto otp otr ots ott oyi oyo oys p-p pii pin pio pip pir pis pit pn- pni pnn pno pnp pnr pns pnt pny poi pon poo pop por pos pot poy ppi ppn ppo ppp ppr pps ppt pri prn pro prp prr prs prt pry ps- psi psn pso psp psr pss pst psy pt- pti ptn pto ptp ptr pts ptt pty py- pyn pyo pyr pys pyt rii rin rio rip rir ris rit riy rni rnn rno rnp rnr rns rnt rny roi ron roo rop ror ros rot roy rpi rpn rpo rpp rpr rps rpt rri rrn rrp rrr rrs rrt rsi rsn rso rsp rsr rss rst rti rtn rto rtp rtr rts rtt rty ry- ryn ryo ryr rys ryy sii sin sio sip sir sis sit sni snn sno snp snr sns snt sny soi son soo sop sor sos sot soy spi spn spo spp spr sps spt spy sr- sri srn sro srp srr srs srt sry ss- ssi ssn sso ssp ssr sss sst sti stn sto stp str sts stt sty sy- syi syn syp syr sys syt tii tin tio tip tir tis tit tiy tni tnn tno tnp tnr tns tnt to- toi ton too top tor tos tot toy tpi tpn tpo tpp tpr tps tpt tri trn tro trp trr trs trt try tsi tsn tso tsp tsr tss tst tsy tti ttn tto ttp ttr tts ttt tty tyn tyo typ tyr tys tyt yii yin yio yip yir yis yit ynn ynp yns yny yoi yon yoo yop yor yos yot yoy ypo yps yrn yro yrp yrs yrt ysi yso ysp ysr yss yst ysy ytn yto ytp ytr yts ytt yys yyt yyy