fff ffi ffk ffm ffn ffo ffs ffy fif fii fik fim fin fis fkf fki fkk fkm fmf fmi fmm fmn fmo fms fnf fni fnk fnm fnn fns fof foi fok fom fon foo fos foy fsf fsi fsk fsm fsn fso fss fy- fyi fyk fyn fyo i-f iff ifi ifm ifn ifo ifs ify iif iii iim iin iio iis ikf iki ikk iko iks im- imf imi imm imn imo ims imy in- inf ini ink inm inn ino ins iny io- iof ioi iom ion ioo ios is- isf isi isk ism isn iso iss isy iym iyo iys iyy kff kfi kfm kfo kfs kif kii kik kim kin kio kis kki kkk kkm kkn kks kky kmf kmi kmk kmm kmo kms kn- knf kni knk knm knn kno kof koi kok kom kon koo kos koy ksf ksi ksk ksm ksn kso kss kym kyn kyo kys m-f m-o mff mfi mfm mfn mfo mfs mfy mi- mif mii mik mim min mio mis miy mkk mkm mkn mko mks mky mmf mmi mmk mmm mmn mmo mms mnf mni mnk mnm mnn mno mns mof moi mok mom mon moo mos moy msf msi msk msm msn mso mss msy my- myf myk mym myn myo mys n-i nff nfi nfk nfn nfo nfs nif nii nik nim nin nio nis nkf nki nkk nkm nkn nko nks nky nmi nmk nmm nmn nmo nms nnf nni nnk nnm nnn nno nns no- nof noi nok nom non noo nos noy nsf nsi nsk nsm nsn nso nss nsy nyf nyk nym nyn nyo nys nyy o-i of- off ofi ofm ofn ofo ofs oif oii oik oim oin oio ois oki okk oko oks om- omf omi omm omn omo oms omy on- onf oni onk onn ono ons ony oo- oof ooi ook oom oon ooo oos os- osf osi osk osm osn oso oss oyi oyo oys sff sfi sfk sfm sfn sfo sfs sif sii sik sim sin sio sis sk- skf ski skk skm sko sks sky smf smi smk smm smn smo sms smy snf sni snk snm snn sno sns sny sof soi sok som son soo sos soy ss- ssf ssi ssk ssm ssn sso sss sy- syi syk sym syn sys yff yfm yfs yif yii yim yin yio yis yki ykk ykm ykn ymi ymm ymo yms ynk ynn yns yny yof yoi yok yom yon yoo yos yoy ysi ysk ysm yso yss ysy yyf yys yyy