fff ffi ffm ffn ffs ffu fif fii fim fin fis fiu fmf fmi fmm fmn fms fmu fnf fni fnm fnn fns fnu fsf fsi fsm fsn fss fsu fuf fui fum fun fus fuu i-f iff ifi ifm ifn ifs ifu iif iii iim iin iis iiu im- imf imi imm imn ims imu in- inf ini inm inn ins inu is- isf isi ism isn iss isu iu- iui ium ius m-f mff mfi mfm mfn mfs mfu mi- mif mii mim min mis miu mmf mmi mmm mmn mms mmu mnf mni mnm mnn mns mnu msf msi msm msn mss msu muf mui mum mun mus muu n-i nff nfi nfn nfs nfu nif nii nim nin nis niu nmi nmm nmn nms nmu nnf nni nnm nnn nns nnu nsf nsi nsm nsn nss nsu nui num nun nus nuu sff sfi sfm sfn sfs sfu sif sii sim sin sis siu smf smi smm smn sms smu snf sni snm snn sns snu ss- ssf ssi ssm ssn sss ssu suf sui sum sun sus suu uff ufi ufm ufn ufs ufu uif uii uim uin uis uiu um- umf umi umm umn ums umu un- unf uni unm unn uns unu usf usi usm usn uss usu uum uun uus uuu