fff ffi ffm ffn ffo ffs ffy fif fii fim fin fis fmf fmi fmm fmn fmo fms fnf fni fnm fnn fns fof foi fom fon foo fos foy fsf fsi fsm fsn fso fss fy- fyi fyn fyo i-f iff ifi ifm ifn ifo ifs ify iif iii iim iin iio iis im- imf imi imm imn imo ims imy in- inf ini inm inn ino ins iny io- iof ioi iom ion ioo ios is- isf isi ism isn iso iss isy iym iyo iys iyy m-f m-o mff mfi mfm mfn mfo mfs mfy mi- mif mii mim min mio mis miy mmf mmi mmm mmn mmo mms mnf mni mnm mnn mno mns mof moi mom mon moo mos moy msf msi msm msn mso mss msy my- myf mym myn myo mys n-i nff nfi nfn nfo nfs nif nii nim nin nio nis nmi nmm nmn nmo nms nnf nni nnm nnn nno nns no- nof noi nom non noo nos noy nsf nsi nsm nsn nso nss nsy nyf nym nyn nyo nys nyy o-i of- off ofi ofm ofn ofo ofs oif oii oim oin oio ois om- omf omi omm omn omo oms omy on- onf oni onn ono ons ony oo- oof ooi oom oon ooo oos os- osf osi osm osn oso oss oyi oyo oys sff sfi sfm sfn sfo sfs sif sii sim sin sio sis smf smi smm smn smo sms smy snf sni snm snn sno sns sny sof soi som son soo sos soy ss- ssf ssi ssm ssn sso sss sy- syi sym syn sys yff yfm yfs yif yii yim yin yio yis ymi ymm ymo yms ynn yns yny yof yoi yom yon yoo yos yoy ysi ysm yso yss ysy yyf yys yyy