fff ffh ffi ffr ffs ffy fhf fhh fhi fhr fhs fif fih fii fir fis frf frh fri frr frs fry fsf fsh fsi fsr fss fy- fyi h-i hff hfh hfi hfr hfs hfy hhf hhh hhi hhr hhs hhy hif hih hii hir his hr- hrf hrh hri hrr hrs hsf hsh hsi hsr hss hsy hy- hyh hyi hyr hys hyy i-f iff ifi ifr ifs ify ihf ihh ihi ihr ihs ihy iif iih iii iir iis ir- irf iri irr irs iry is- isf ish isi isr iss isy iyr iys iyy rff rfh rfi rfr rfs rh- rhf rhh rhi rhr rhs rif rih rii rir ris riy rrf rrh rri rrr rrs rsf rsh rsi rsr rss ry- ryf ryr rys ryy sff sfh sfi sfr sfs sh- shf shh shi shr shs shy sif sih sii sir sis sr- srf srh sri srr srs sry ss- ssf ssh ssi ssr sss sy- syh syi syr sys yff yfr yfs yhi yhs yif yih yii yir yis yrf yrs ysi ysr yss ysy yyf yys yyy