-th fff ffh ffi ffp ffs fft fhf fhh fhi fhp fhs fif fih fii fip fis fit fph fpi fpp fps fpt fsf fsh fsi fsp fss fst ftf fth fti ftp fts ftt h-i hff hfh hfi hfp hfs hft hhf hhh hhi hhp hhs hht hif hih hii hip his hit hpf hph hpi hpp hps hpt hsf hsh hsi hsp hss hst htf hth hti htp hts htt i-f iff ifi ifp ifs ift ihf ihh ihi ihp ihs iht iif iih iii iip iis iit ipf ipi ipp ips ipt is- isf ish isi isp iss ist itf ith iti itp its itt p-p pff pfi pfp pfs pft phf phi php phs pht pif pih pii pip pis pit ppf pph ppi ppp pps ppt ps- psf psh psi psp pss pst pt- ptf pth pti ptp pts ptt sff sfh sfi sfp sfs sft sh- shf shh shi shp shs sht sif sih sii sip sis sit spf sph spi spp sps spt ss- ssf ssh ssi ssp sss sst stf sth sti stp sts stt tff tfh tfi tfp tfs tft th- thf thh thi thp ths tht tif tih tii tip tis tit tpf tph tpi tpp tps tpt tsf tsh tsi tsp tss tst ttf tth tti ttp tts ttt