fff ffg ffi ffn ffp ffs fft ffy fgf fgg fgi fgn fgp fgs fgt fif fig fii fin fip fis fit fnf fng fni fnn fnp fns fnt fpg fpi fpn fpp fps fpt fpy fsf fsg fsi fsn fsp fss fst ftf ftg fti ftn ftp fts ftt fty fy- fyi fyn fyp g-p gff gfi gfp gfs gft gfy ggg ggi ggn ggp ggs ggt gif gig gii gin gip gis git giy gnf gni gnn gnp gns gnt gpf gpg gpi gpn gpp gps gpt gsf gsg gsi gsn gsp gss gst gtf gtg gti gtn gtp gts gtt gty gy- gyf gyn gyp gys i-f iff ifg ifi ifn ifp ifs ift ify igf igg igi ign igp igs igt igy iif iii iin iip iis iit in- inf ing ini inn inp ins int iny ipf ipg ipi ipn ipp ips ipt ipy is- isf isg isi isn isp iss ist isy itf itg iti itn itp its itt ity iys iyt iyy n-i nff nfi nfn nfp nfs nft ngf ngg ngi ngn ngp ngs ngt nif nig nii nin nip nis nit nnf nng nni nnn nnp nns nnt npf npg npi npn npp nps npt nsf nsg nsi nsn nsp nss nst nsy ntf ntg nti ntn ntp nts ntt nyf nyg nyn nyp nys nyt nyy p-p pff pfg pfi pfn pfp pfs pft pfy pgf pgg pgi pgn pgp pgs pgt pgy pif pig pii pin pip pis pit pn- pnf png pni pnn pnp pns pnt pny ppf ppg ppi ppn ppp pps ppt ps- psf psg psi psn psp pss pst psy pt- ptf ptg pti ptn ptp pts ptt pty py- pyf pyg pyn pys pyt sff sfg sfi sfn sfp sfs sft sgf sgg sgi sgn sgp sgs sgt sif sig sii sin sip sis sit snf sng sni snn snp sns snt sny spf spg spi spn spp sps spt spy ss- ssf ssg ssi ssn ssp sss sst stf stg sti stn stp sts stt sty sy- syg syi syn syp sys syt tff tfg tfi tfn tfp tfs tft tgf tgg tgi tgn tgp tgs tgt tgy tif tig tii tin tip tis tit tiy tnf tng tni tnn tnp tns tnt tpf tpg tpi tpn tpp tps tpt tsf tsg tsi tsn tsp tss tst tsy ttf ttg tti ttn ttp tts ttt tty tyf tyg tyn typ tys tyt yff yfs yft yif yig yii yin yip yis yit yng ynn ynp yns yny ypf ypg yps ysg ysi ysp yss yst ysy ytf ytn ytp yts ytt yyf yyg yys yyt yyy