fff ffi ffk ffm ffs ffu ffy fif fii fik fim fis fiu fkf fki fkk fkm fmf fmi fmm fms fmu fsf fsi fsk fsm fss fsu fuf fui fuk fum fus fuu fy- fyi fyk i-f iff ifi ifm ifs ifu ify iif iii iim iis iiu ikf iki ikk iks iku im- imf imi imm ims imu imy is- isf isi isk ism iss isu isy iu- iui ium ius iym iys iyy kff kfi kfm kfs kfu kif kii kik kim kis kiu kki kkk kkm kks kku kky kmf kmi kmk kmm kms kmu ksf ksi ksk ksm kss ksu kui kuk kum kus kuu kuy kym kys kyu m-f mff mfi mfm mfs mfu mfy mi- mif mii mik mim mis miu miy mkk mkm mks mku mky mmf mmi mmk mmm mms mmu msf msi msk msm mss msu msy muf mui muk mum mus muu muy my- myf myk mym mys myu sff sfi sfk sfm sfs sfu sif sii sik sim sis siu sk- skf ski skk skm sks sku sky smf smi smk smm sms smu smy ss- ssf ssi ssk ssm sss ssu suf sui suk sum sus suu suy sy- syi syk sym sys syu uff ufi ufm ufs ufu uif uii uim uis uiu ukf uki ukk uku um- umf umi umm ums umu usf usi usk usm uss usu uum uus uuu uyi uys uyu yff yfm yfs yfu yif yii yim yis yki ykk ykm ymi ymm yms ysi ysk ysm yss ysu ysy yui yuk yum yus yuu yuy yyf yys yyu yyy