-th fff ffg ffh ffi ffr fft fgf fgg fgh fgi fgr fgt fhf fhg fhh fhi fhr fif fig fih fii fir fit frf frg frh fri frr frt ftf ftg fth fti ftr ftt gff gfh gfi gfr gft ggg ggh ggi ggr ggt ghg ghh ghi ghr ght gif gig gih gii gir git grf grg grh gri grr grt gtf gtg gth gti gtr gtt h-i hff hfg hfh hfi hfr hft hgf hgg hgh hgi hgr hgt hhf hhg hhh hhi hhr hht hif hig hih hii hir hit hr- hrf hrg hrh hri hrr hrt htf htg hth hti htr htt i-f iff ifg ifi ifr ift igf igg igh igi igr igt ihf ihg ihh ihi ihr iht iif iih iii iir iit ir- irf irg iri irr irt itf itg ith iti itt rff rfg rfh rfi rfr rft rgf rgg rgh rgi rgr rgt rh- rhf rhg rhh rhi rhr rht rif rig rih rii rir rit rrf rrg rrh rri rrr rrt rtf rtg rti rtr rtt tff tfg tfh tfi tfr tft tgf tgg tgh tgi tgr tgt th- thf thg thh thi thr tht tif tig tih tii tir tit trf trg trh tri trr trt ttf ttg tth tti ttr ttt