fff ffi ffl ffm ffr ffs fft ffu fif fii fil fim fir fis fit fiu flf fli fll flm flr fls flt flu fmf fmi fml fmm fmr fms fmt fmu frf fri frl frm frr frs frt fru fsf fsi fsl fsm fsr fss fst fsu ftf fti ftl ftm ftr fts ftt ftu fuf fui ful fum fur fus fut fuu i-f iff ifi ifl ifm ifr ifs ift ifu iif iii iil iim iir iis iit iiu il- ilf ili ill ilm ilr ils ilt ilu im- imf imi iml imm ims imt imu ir- irf iri irl irm irr irs irt iru is- isf isi isl ism isr iss ist isu itf iti itl itm its itt itu iu- iui ium iur ius iut lff lfi lfl lfm lfr lfs lft lfu lif lii lil lim lir lis lit liu llf lli lll llm llr lls llt llu lmf lmi lml lmm lmr lms lmt lmu lrf lri lrm lrr lrs lrt lru lsf lsi lsl lsm lsr lss lst lsu ltf lti ltl ltm ltr lts ltt ltu luf lui lul lum lur lus lut luu m-f m-r mff mfi mfl mfm mfr mfs mft mfu mi- mif mii mil mim mir mis mit miu mlf mli mll mlm mlr mls mlt mlu mmf mmi mml mmm mmr mms mmt mmu mrf mri mrl mrm mrr mrs mrt mru msf msi msl msm msr mss mst msu mtf mti mtl mtm mtr mts mtt mtu muf mui mul mum mur mus mut muu rff rfi rfl rfm rfr rfs rft rfu rif rii ril rim rir ris rit rlf rli rll rlm rlr rls rlt rlu rmf rmi rml rmm rmr rms rmt rrf rri rrl rrm rrr rrs rrt rru rsf rsi rsl rsm rsr rss rst rsu rtf rti rtl rtm rtr rts rtt rtu ruf rui rum rur rus rut ruu sff sfi sfl sfm sfr sfs sft sfu sif sii sil sim sir sis sit siu slf sli sll slm slr sls slt slu smf smi sml smm smr sms smt smu sr- srf sri srl srm srr srs srt ss- ssf ssi ssl ssm ssr sss sst ssu stf sti stl stm str sts stt stu suf sui sul sum sur sus sut suu tff tfi tfl tfm tfr tfs tft tfu tif tii til tim tir tis tit tiu tlf tli tll tlm tlr tls tlt tlu tmf tmi tml tmm tmr tms tmt tmu trf tri trl trm trr trs trt tru tsf tsi tsl tsm tsr tss tst tsu ttf tti ttl ttm ttr tts ttt ttu tuf tui tul tum tur tus tut tuu uff ufi ufl ufm ufr ufs uft ufu uif uii uil uim uir uis uit uiu ulf uli ull ulm ulr uls ult ulu um- umf umi uml umm umr ums umt umu ur- urf uri url urm urr urs urt uru usf usi usl usm usr uss ust usu utf uti utl utm utr uts utt utu uum uur uus uut uuu