iii iin iir iis in- ini inn inr ins iny ir- iri irn irr irs iry is- isi isn isr iss isy iyr iys iyy n-i nii nin nir nis nni nnn nns nri nrn nrr nrs nry nsi nsn nsr nss nsy nyn nys nyy rii rin rir ris riy rni rnn rnr rns rny rri rrn rrr rrs rsi rsn rsr rss ry- ryn ryr rys ryy sii sin sir sis sni snn snr sns sny sr- sri srn srr srs sry ss- ssi ssn ssr sss sy- syi syn syr sys yii yin yir yis ynn yns yny yrn yrs ysi ysr yss ysy yys yyy