bbb bbf bbi bbl bbm bbr bbs bbt bfb bff bfi bfl bfm bfr bfs bft bi- bib bif bii bil bim bir bis bit blb blf bli bll blm blr bls blt bmb bmf bmi bml bmm bmr bms bmt brb brf bri brl brm brr brs brt bsb bsf bsi bsl bsm bsr bss bst btb btf bti btl btm btr bts btt fbb fbf fbi fbl fbm fbr fbs fbt fff ffi ffl ffm ffr ffs fft fib fif fii fil fim fir fis fit flb flf fli fll flm flr fls flt fmb fmf fmi fml fmm fmr fms fmt frb frf fri frl frm frr frs frt fsb fsf fsi fsl fsm fsr fss fst ftb ftf fti ftl ftm ftr fts ftt i-f ibb ibf ibi ibl ibm ibr ibs ibt ifb iff ifi ifl ifm ifr ifs ift iib iif iii iil iim iir iis iit il- ilb ilf ili ill ilm ilr ils ilt im- imb imf imi iml imm ims imt ir- irb irf iri irl irm irr irs irt is- isb isf isi isl ism isr iss ist itb itf iti itl itm its itt lbb lbf lbi lbl lbm lbr lbs lbt lfb lff lfi lfl lfm lfr lfs lft lib lif lii lil lim lir lis lit llb llf lli lll llm llr lls llt lmb lmf lmi lml lmm lmr lms lmt lrb lrf lri lrm lrr lrs lrt lsb lsf lsi lsl lsm lsr lss lst ltb ltf lti ltl ltm ltr lts ltt m-f m-r mbb mbf mbi mbl mbm mbr mbs mbt mfb mff mfi mfl mfm mfr mfs mft mi- mib mif mii mil mim mir mis mit mlb mlf mli mll mlm mlr mls mlt mmb mmf mmi mml mmm mmr mms mmt mrb mrf mri mrl mrm mrr mrs mrt msb msf msi msl msm msr mss mst mtb mtf mti mtl mtm mtr mts mtt rbb rbf rbi rbl rbm rbr rbs rbt rfb rff rfi rfl rfm rfr rfs rft rib rif rii ril rim rir ris rit rlf rli rll rlm rlr rls rlt rmb rmf rmi rml rmm rmr rms rmt rrb rrf rri rrl rrm rrr rrs rrt rsb rsf rsi rsl rsm rsr rss rst rtb rtf rti rtl rtm rtr rts rtt sbb sbf sbi sbl sbm sbr sbs sbt sfb sff sfi sfl sfm sfr sfs sft sib sif sii sil sim sir sis sit slb slf sli sll slm slr sls slt smb smf smi sml smm smr sms smt sr- srb srf sri srl srm srr srs srt ss- ssb ssf ssi ssl ssm ssr sss sst stb stf sti stl stm str sts stt tbb tbf tbi tbl tbm tbr tbs tbt tfb tff tfi tfl tfm tfr tfs tft tib tif tii til tim tir tis tit tlf tli tll tlm tlr tls tlt tmb tmf tmi tml tmm tmr tms tmt trb trf tri trl trm trr trs trt tsb tsf tsi tsl tsm tsr tss tst ttb ttf tti ttl ttm ttr tts ttt

-ism bbbb bbbs bblb bbls bffl bffs bfsi bfsr bfts bftt bibb bibi bibl bibs biff bifi biis bili bill bils bilt bims birb biri birl birr birs birt bis- bisl biss bist bits bitt blbt blim blir blis blit blls blss blst blts bmir bmmi bmts brfm bril brim bris brit brls brrm brrr brrs brsb brsr brst bsff bsfs bsim bsms bsmt bsrm bssm bsts btrt btss bttb fbis fbrs ffff ffii ffrr ffss fftf fibs fiff fifi fifm fift fiii fiil fili fill film fils fimr firm firs fisi fism fiss fist fiti fits fitt flii flim flis flit flmb flts fmri fmsr fmss frib fril frim fris frit frsb frsm frst fsfi fsim fssf ft-l ftii ftlb ftrs ftsr ibbm ibfi ibim ibis ibml ibms ibri ibsf ibss ibtb ibtl ibts ifbb ifil ifim ifis ifit ifrb ifrf ifri ifsb iiii iiis iiit iirs iisi iism iisr iist iitm iitr iitt ilbm ilir ilis ilit ill- illi ills illt ilmr ilrm ilts imbi imfi imir imit imli immi imms immt imri imrr imsf imsi imsr imss imst imts irbm irfm iri- iril iris irlb irms irri irrs irsf irtf irti irts isbl isbt isil isim isis isit isls ismi isms isri issf issi issr isss isti istr ists itbs itif itil itim itis itll itms itrf itri itrs itsf itsi ittf lblr lbms lbrs lbrt lfmr lfts libr libs liff lifl lift liii liir liis lilb lili lill lils lilt limb limi liml limm lims liri lirl lirr lirs lirt lisi liss list litb liti litl litr lits litt llbs llll llms lmfm lmii lmmr lmms lmrs lmsi lmsr lrif lrmt lrrr lrsm lrst lrts ls-r lssr lsts ltbf ltbl ltib ltrs ltsi ltsr lttr mbbs mbim mbis mbms mbrs mbsf mbsl mfbm mfri mfrs mfsb mftf mibs miff mifi miii miis miit milf mili mill milr mils milt mim- mimi mims miri mirl mirr mirs mirt mis- misi misl misr miss mist mit- mitb miti mitm mits mitt mlii mlis mlit mlrs mlss mltb mltr mmff mmii mmis mmli mmmm mmms mmrf mmst mmts mrbb mrbm mrbs mris mrls mrml mrsi mrsl mrtm mrts mrtt msff msfs msft msil msmb msml msmm msms msrb msrt mssf mssi mssm mssr msst mstr msts mtbs mtff mtlb mtrl mtrr mtsl mtss mtst mttr mtts rbbb rbbr rbbs rbis rbms rbsl rbss rbst rffl rib- ribs riff rifs rift riif riis rill rimi rimm rims riri rirs risi rism riss rist riti ritl rits ritt rlif rlls rlml rlms rmbs rmif rmll rmst rrif rrrr rsbi rsis rsml rssl rsts rtbf rtfb rtfm rtls rtlt rtmi rtml rtms rtss rtts s-ib s-ii sbbs sbml sbsi sbst sfls sfmm sfss sfts sibi sibs siff sifl sifr sift siim siit sil- silf sili sill sils silt simi simm sims simt sirf siri sirr sirs sirt sisi siss sist sit- siti sits sitt sl-i