-th fff ffh ffi ffr ffs fft fhf fhh fhi fhr fhs fif fih fii fir fis fit frf frh fri frr frs frt fsf fsh fsi fsr fss fst ftf fth fti ftr fts ftt h-i hff hfh hfi hfr hfs hft hhf hhh hhi hhr hhs hht hif hih hii hir his hit hr- hrf hrh hri hrr hrs hrt hsf hsh hsi hsr hss hst htf hth hti htr hts htt i-f iff ifi ifr ifs ift ihf ihh ihi ihr ihs iht iif iih iii iir iis iit ir- irf iri irr irs irt is- isf ish isi isr iss ist itf ith iti its itt rff rfh rfi rfr rfs rft rh- rhf rhh rhi rhr rhs rht rif rih rii rir ris rit rrf rrh rri rrr rrs rrt rsf rsh rsi rsr rss rst rtf rti rtr rts rtt sff sfh sfi sfr sfs sft sh- shf shh shi shr shs sht sif sih sii sir sis sit sr- srf srh sri srr srs srt ss- ssf ssh ssi ssr sss sst stf sth sti str sts stt tff tfh tfi tfr tfs tft th- thf thh thi thr ths tht tif tih tii tir tis tit trf trh tri trr trs trt tsf tsh tsi tsr tss tst ttf tth tti ttr tts ttt