fff ffg ffi ffn ffr fft fgf fgg fgi fgn fgr fgt fif fig fii fin fir fit fnf fng fni fnn fnr fnt frf frg fri frn frr frt ftf ftg fti ftn ftr ftt gff gfi gfr gft ggg ggi ggn ggr ggt gif gig gii gin gir git gnf gni gnn gnr gnt grf grg gri grn grr grt gtf gtg gti gtn gtr gtt i-f iff ifg ifi ifn ifr ift igf igg igi ign igr igt iif iii iin iir iit in- inf ing ini inn inr int ir- irf irg iri irn irr irt itf itg iti itn itt n-i nff nfi nfn nfr nft ngf ngg ngi ngn ngt nif nig nii nin nir nit nnf nng nni nnn nnt nrf nrg nri nrn nrr nrt ntf ntg nti ntn ntr ntt rff rfg rfi rfn rfr rft rgf rgg rgi rgn rgr rgt rif rig rii rin rir rit rng rni rnn rnr rnt rrf rrg rri rrn rrr rrt rtf rtg rti rtn rtr rtt tff tfg tfi tfn tfr tft tgf tgg tgi tgn tgr tgt tif tig tii tin tir tit tnf tng tni tnn tnr tnt trf trg tri trn trr trt ttf ttg tti ttn ttr ttt