fff ffg ffi ffn ffp fft fgf fgg fgi fgn fgp fgt fif fig fii fin fip fit fnf fng fni fnn fnp fnt fpg fpi fpn fpp fpt ftf ftg fti ftn ftp ftt g-p gff gfi gfp gft ggg ggi ggn ggp ggt gif gig gii gin gip git gnf gni gnn gnp gnt gpf gpg gpi gpn gpp gpt gtf gtg gti gtn gtp gtt i-f iff ifg ifi ifn ifp ift igf igg igi ign igp igt iif iii iin iip iit in- inf ing ini inn inp int ipf ipg ipi ipn ipp ipt itf itg iti itn itp itt n-i nff nfi nfn nfp nft ngf ngg ngi ngn ngp ngt nif nig nii nin nip nit nnf nng nni nnn nnp nnt npf npg npi npn npp npt ntf ntg nti ntn ntp ntt p-p pff pfg pfi pfn pfp pft pgf pgg pgi pgn pgp pgt pif pig pii pin pip pit pn- pnf png pni pnn pnp pnt ppf ppg ppi ppn ppp ppt pt- ptf ptg pti ptn ptp ptt tff tfg tfi tfn tfp tft tgf tgg tgi tgn tgp tgt tif tig tii tin tip tit tnf tng tni tnn tnp tnt tpf tpg tpi tpn tpp tpt ttf ttg tti ttn ttp ttt