fff ffi ffl ffm ffs fft ffu fif fii fil fim fis fit fiu flf fli fll flm fls flt flu fmf fmi fml fmm fms fmt fmu fsf fsi fsl fsm fss fst fsu ftf fti ftl ftm fts ftt ftu fuf fui ful fum fus fut fuu i-f iff ifi ifl ifm ifs ift ifu iif iii iil iim iis iit iiu il- ilf ili ill ilm ils ilt ilu im- imf imi iml imm ims imt imu is- isf isi isl ism iss ist isu itf iti itl itm its itt itu iu- iui ium ius iut lff lfi lfl lfm lfs lft lfu lif lii lil lim lis lit liu llf lli lll llm lls llt llu lmf lmi lml lmm lms lmt lmu lsf lsi lsl lsm lss lst lsu ltf lti ltl ltm lts ltt ltu luf lui lul lum lus lut luu m-f mff mfi mfl mfm mfs mft mfu mi- mif mii mil mim mis mit miu mlf mli mll mlm mls mlt mlu mmf mmi mml mmm mms mmt mmu msf msi msl msm mss mst msu mtf mti mtl mtm mts mtt mtu muf mui mul mum mus mut muu sff sfi sfl sfm sfs sft sfu sif sii sil sim sis sit siu slf sli sll slm sls slt slu smf smi sml smm sms smt smu ss- ssf ssi ssl ssm sss sst ssu stf sti stl stm sts stt stu suf sui sul sum sus sut suu tff tfi tfl tfm tfs tft tfu tif tii til tim tis tit tiu tlf tli tll tlm tls tlt tlu tmf tmi tml tmm tms tmt tmu tsf tsi tsl tsm tss tst tsu ttf tti ttl ttm tts ttt ttu tuf tui tul tum tus tut tuu uff ufi ufl ufm ufs uft ufu uif uii uil uim uis uit uiu ulf uli ull ulm uls ult ulu um- umf umi uml umm ums umt umu usf usi usl usm uss ust usu utf uti utl utm uts utt utu uum uus uut uuu