fff ffg ffi ffn ffo ffs fft ffy fgf fgg fgi fgn fgs fgt fif fig fii fin fis fit fnf fng fni fnn fns fnt fof fog foi fon foo fos fot foy fsf fsg fsi fsn fso fss fst ftf ftg fti ftn fto fts ftt fty fy- fyi fyn fyo gff gfi gfo gfs gft gfy ggg ggi ggn ggo ggs ggt gif gig gii gin gio gis git giy gnf gni gnn gno gns gnt gof gog goi gon goo gos got goy gsf gsg gsi gsn gso gss gst gtf gtg gti gtn gto gts gtt gty gy- gyf gyn gyo gys i-f iff ifg ifi ifn ifo ifs ift ify igf igg igi ign igo igs igt igy iif iii iin iio iis iit in- inf ing ini inn ino ins int iny io- iof iog ioi ion ioo ios iot is- isf isg isi isn iso iss ist isy itf itg iti itn ito its itt ity iyo iys iyt iyy n-i nff nfi nfn nfo nfs nft ngf ngg ngi ngn ngo ngs ngt nif nig nii nin nio nis nit nnf nng nni nnn nno nns nnt no- nof nog noi non noo nos not noy nsf nsg nsi nsn nso nss nst nsy ntf ntg nti ntn nto nts ntt nyf nyg nyn nyo nys nyt nyy o-i of- off ofg ofi ofn ofo ofs oft ogf ogg ogi ogn ogo ogs ogt ogy oif oii oin oio ois oit on- onf ong oni onn ono ons ont ony oo- oof oog ooi oon ooo oos oot os- osf osg osi osn oso oss ost ot- otf otg oti otn oto ots ott oyi oyo oys sff sfg sfi sfn sfo sfs sft sgf sgg sgi sgn sgo sgs sgt sif sig sii sin sio sis sit snf sng sni snn sno sns snt sny sof sog soi son soo sos sot soy ss- ssf ssg ssi ssn sso sss sst stf stg sti stn sto sts stt sty sy- syg syi syn sys syt tff tfg tfi tfn tfo tfs tft tgf tgg tgi tgn tgo tgs tgt tgy tif tig tii tin tio tis tit tiy tnf tng tni tnn tno tns tnt to- tof tog toi ton too tos tot toy tsf tsg tsi tsn tso tss tst tsy ttf ttg tti ttn tto tts ttt tty tyf tyg tyn tyo tys tyt yff yfs yft ygo yif yig yii yin yio yis yit yng ynn yns yny yof yog yoi yon yoo yos yot yoy ysg ysi yso yss yst ysy ytf ytn yto yts ytt yyf yyg yys yyt yyy