-th fff ffg ffh ffi fft fgf fgg fgh fgi fgt fhf fhg fhh fhi fif fig fih fii fit ftf ftg fth fti ftt gff gfh gfi gft ggg ggh ggi ggt ghg ghh ghi ght gif gig gih gii git gtf gtg gth gti gtt h-i hff hfg hfh hfi hft hgf hgg hgh hgi hgt hhf hhg hhh hhi hht hif hig hih hii hit htf htg hth hti htt i-f iff ifg ifi ift igf igg igh igi igt ihf ihg ihh ihi iht iif iih iii iit itf itg ith iti itt tff tfg tfh tfi tft tgf tgg tgh tgi tgt th- thf thg thh thi tht tif tig tih tii tit ttf ttg tth tti ttt