fff ffi ffl ffm ffs ffu fif fii fil fim fis fiu flf fli fll flm fls flu fmf fmi fml fmm fms fmu fsf fsi fsl fsm fss fsu fuf fui ful fum fus fuu i-f iff ifi ifl ifm ifs ifu iif iii iil iim iis iiu il- ilf ili ill ilm ils ilu im- imf imi iml imm ims imu is- isf isi isl ism iss isu iu- iui ium ius lff lfi lfl lfm lfs lfu lif lii lil lim lis liu llf lli lll llm lls llu lmf lmi lml lmm lms lmu lsf lsi lsl lsm lss lsu luf lui lul lum lus luu m-f mff mfi mfl mfm mfs mfu mi- mif mii mil mim mis miu mlf mli mll mlm mls mlu mmf mmi mml mmm mms mmu msf msi msl msm mss msu muf mui mul mum mus muu sff sfi sfl sfm sfs sfu sif sii sil sim sis siu slf sli sll slm sls slu smf smi sml smm sms smu ss- ssf ssi ssl ssm sss ssu suf sui sul sum sus suu uff ufi ufl ufm ufs ufu uif uii uil uim uis uiu ulf uli ull ulm uls ulu um- umf umi uml umm ums umu usf usi usl usm uss usu uum uus uuu