-er bbb bbc bbe bbm bbr bbs bbt bcb bcc bce bcm bcr bcs bct be- beb bec bee bem ber bes bet bmb bmc bme bmm bmr bms bmt brb bre brm brr brs brt bsb bsc bse bsm bsr bss bst btb btc bte btm btr bts btt c-- cbb cbc cbe cbm cbr cbs cbt ccb ccc cce ccm ccr ccs cct ce- ceb cec cee cem cer ces cet cmb cmc cme cmm cmr cms cmt crb crc cre crm crr crs crt csb csc cse csm csr css cst ctb ctc cte ctm ctr cts ctt ebb ebc ebe ebm ebr ebs ebt ec- ecb ecc ece ecm ecr ecs ect eeb eec eee eem eer ees eet em- emb emc eme emm emr ems emt erb erc ere erm err ers ert es- esb esc ese esm esr ess est etb etc ete etm etr ets ett m-r mbb mbc mbe mbm mbr mbs mbt mc- mcb mcc mce mcm mcr mcs mct meb mec mee mem mer mes met mmb mmc mme mmm mmr mms mmt mrb mrc mre mrm mrr mrs mrt msb msc mse msm msr mss mst mtb mtc mte mtm mtr mts mtt rbb rbc rbe rbm rbr rbs rbt rcb rcc rce rcm rcr rcs rct re- reb rec ree rem rer res ret rmb rmc rme rmm rmr rms rmt rrb rrc rrm rrr rrs rrt rsb rsc rse rsm rsr rss rst rtb rtc rte rtm rtr rts rtt sbb sbc sbe sbm sbr sbs sbt scb scc sce scm scr scs sct se- seb sec see sem ser ses set smb smc sme smm smr sms smt sr- srb src sre srm srr srs srt ss- ssb ssc sse ssm ssr sss sst stb stc ste stm str sts stt tbb tbc tbe tbm tbr tbs tbt tcb tcc tce tcm tcr tcs tct te- teb tec tee tem ter tes tet tmb tmc tme tmm tmr tms tmt trb trc tre trm trr trs trt tsb tsc tse tsm tsr tss tst ttb ttc tte ttm ttr tts ttt

bbbb bbbs bbcm bbeb bbet bbrc bcbc bcbs bccc bccm bccs bcec bcer bces bcet bcms bcrs bcsc bcsm bcss bctc bcts bebb bebe becs beeb beem beer bees beet beme berc bere berm berr bers bert bes- bese besm bess best betc bete bets bett bmce bmtc bmts brcb brce breb brec bree brem brer bres bret brmc brrm brrr brrs brsb brsr brst brtc bscs bseb bsec bsee bser bses bset bsms bsmt bsrm bssc bsse bssm bsts btcc btcs btec btrc btrt btss bttb cbbc cbbs cbcc cbce cbcm cbcr cbcs cbct cbec cbee cber cbet cbme cbms cbre cbrm cbrt cbsc cbse cbsm cbtc ccbc cccb cccc cccm cccs ccee ccmb ccmc ccmm ccms ccrc ccre ccrs ccrt ccss ccst cctb cctc cctt cebs cec- cece cecm cecs cect ceeb ceec ceem cees cemb ceme cemm cemr cems cer- cerc cere cers cert cesc cese cesr cess cest cet- cete cets cmbc cmbs cmcc cmcs cmec cmes cmmb cmmc cmms cmrr cmrs cmsc cmse cmst cmtc crbc crcc crce crcr cre- creb crec cree crem cres cret crmb crms crrt crss crst crtc crtm crts csbm cscb cscc csce cscr cscs csec csee csem cser cset csmc csrc csrs csse cssm cssr cstc cstm cstr csts ctbs ctec ctrc ctrm ctrs ctsc ctss ctts ebbc ebbr ebbs ebcc eber ebes ecbc ecbe eccb eccc ecce eccm ecct ecem eces ecrc ecrm ecrr ecsc ecse ecss ect- ectc ects eecs eeee eees eems eerc eers eese eetc eete eets embe embr embs emcc emcs emer emes emet emme emms emre emrs emse emst emte emts erbb erbe ercc erce ereb erec erem erer eres eret ermc erme erms errc erre errs erse erst erts esbs escb esce escm escr escs esee esem eser eses eset esme esmr esmt esse esst estc este estr ests etbc etbr etcc etcs etec etee etem eter etes etre etrm ette mbbs mbcs mbes mbms mbrs mcbc mccc mces mcmc mcmt mcrc mcse mcss mcst mctc mcts mebe mec- mecc mece mecr mecs meem meer mees meet memc meme memr mems mer- merb merc mere merm mers mert mes- mesc mese mesr mess mest met- mete mets mett mmcc mmcm mmcs mmct mmes mmmc mmmm mmms mmrc mmsc mmse mmst mmts mr-c mrbb mrbm mrbs mrcb mrcc mrce mrcs mreb mree mres mrmc mrrc mrsc mrse mrtm mrts mrtt mscc msce msec msee msem msmb msmc msmm msms msrb msrt mssm mssr msst mstc mstr msts mtbc mtbs mtcr mtrc mtre mtrr mtss mtst mttr mtts rbbb rbbr rbbs rbms rbss rbst rcbc rccb rccc rccs rcet rcms rcsc rcss rctc rcts rebb rebe rebs recc rece recm recr recs rect reeb reem rees reet reme rems rere rers rert rese ress rest rete retr rets rett rmbs rmsc rmst rrmc rrrr rscc rscs rsee rsme rsre rsts rtcc rtce rtcm rtee rtes rtmc rtms rtss rtts sbbs sbcc sbcs sbct sber sbmc sbse sbst sbtc sccc scce sccm sccs scct scec scee scer scet scmc scmm scms scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-s se-t sebe sebs sebt sec- secc sece secr secs sect seeb seec seem seer sees seet semc seme sems serb serc sere serm serr sers sert sesc sese sess sest set- setc sete sets sett smbc smbe smcc smeb smec smee smet smrt smsc smss smtc smte srbc srcc srct sreb srec srem sres srmc srtr ssbr sscc ssce sscs ssec ssee ssem sses sset ssmc ssrc ssrm ssrs sssb sssc sssm ssss sstb sstc ssts stbc stbs stcc stcs stec stee stem ster stes stet stmc stms stmt strc stre strs stsm stss sttc sttr tbbs tbcb tbcc tbce tbrb tbst tcbs tccc tctc tcts tecr tecs tect teec teem teer tees teet teme tems ter- terc tere term terr ters tesc tese tess test