fff ffi ffk ffm ffs ffu 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 i-f iff ifi ifm ifs ifu iif iii iim iis iiu ikf iki ikk iks iku im- imf imi imm ims imu is- isf isi isk ism iss isu iu- iui ium ius kff kfi kfm kfs kfu kif kii kik kim kis kiu kki kkk kkm kks kku kmf kmi kmk kmm kms kmu ksf ksi ksk ksm kss ksu kui kuk kum kus kuu m-f mff mfi mfm mfs mfu mi- mif mii mik mim mis miu mkk mkm mks mku mmf mmi mmk mmm mms mmu msf msi msk msm mss msu muf mui muk mum mus muu sff sfi sfk sfm sfs sfu sif sii sik sim sis siu sk- skf ski skk skm sks sku smf smi smk smm sms smu ss- ssf ssi ssk ssm sss ssu suf sui suk sum sus suu 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