iii iin iip iir iis iit in- ini inn inp inr ins int iny ipi ipn ipp ipr ips ipt ipy ir- iri irn irp irr irs irt iry is- isi isn isp isr iss ist isy iti itn itp its itt ity iyr iys iyt iyy n-i nii nin nip nir nis nit nni nnn nnp nns nnt npi npn npp npr nps npt nri nrn nrp nrr nrs nrt nry nsi nsn nsp nsr nss nst nsy nti ntn ntp ntr nts ntt nyn nyp nys nyt nyy p-p pii pin pip pir pis pit pn- pni pnn pnp pnr pns pnt pny ppi ppn ppp ppr pps ppt pri prn prp prr prs prt pry ps- psi psn psp psr pss pst psy pt- pti ptn ptp ptr pts ptt pty py- pyn pyr pys pyt rii rin rip rir ris rit riy rni rnn rnp rnr rns rnt rny rpi rpn rpp rpr rps rpt rri rrn rrp rrr rrs rrt rsi rsn rsp rsr rss rst rti rtn rtp rtr rts rtt rty ry- ryn ryr rys ryy sii sin sip sir sis sit sni snn snp snr sns snt sny spi spn spp spr sps spt spy sr- sri srn srp srr srs srt sry ss- ssi ssn ssp ssr sss sst sti stn stp str sts stt sty sy- syi syn syp syr sys syt tii tin tip tir tis tit tiy tni tnn tnp tnr tns tnt tpi tpn tpp tpr tps tpt tri trn trp trr trs trt try tsi tsn tsp tsr tss tst tsy tti ttn ttp ttr tts ttt tty tyn typ tyr tys tyt yii yin yip yir yis yit ynn ynp yns yny yps yrn yrp yrs yrt ysi ysp ysr yss yst ysy ytn ytp ytr yts ytt yys yyt yyy