-er bbb bbe bbr bbs bbt be- beb bee ber bes bet brb bre brr brs brt bsb bse bsr bss bst btb bte btr bts btt ebb ebe ebr ebs ebt eeb eee eer ees eet erb ere err ers ert es- esb ese esr ess est etb ete etr ets ett rbb rbe rbr rbs rbt re- reb ree rer res ret rrb rrr rrs rrt rsb rse rsr rss rst rtb rte rtr rts rtt sbb sbe sbr sbs sbt se- seb see ser ses set sr- srb sre srr srs srt ss- ssb sse ssr sss sst stb ste str sts stt tbb tbe tbr tbs tbt te- teb tee ter tes tet trb tre trr trs trt tsb tse tsr tss tst ttb tte ttr tts ttt

bbbb bbbs bbeb bbet bebb bebe beeb beer bees beet bere berr bers bert bes- bese bess best bete bets bett breb bree brer bres bret brrr brrs brsb brsr brst bseb bsee bser bses bset bsse bsts btrt btss bttb ebbr ebbs eber ebes eeee eees eers eese eete eets erbb erbe ereb erer eres eret erre errs erse erst erts esbs esee eser eses eset esse esst este estr ests etbr etee eter etes etre ette rbbb rbbr rbbs rbss rbst rebb rebe rebs reeb rees reet rere rers rert rese ress rest rete retr rets rett rrrr rsee rsre rsts rtee rtes rtss rtts sbbs sber sbse sbst se-e se-s se-t sebe sebs sebt seeb seer sees seet serb sere serr sers sert sese sess sest set- sete sets sett sreb sres srtr ssbr ssee sses sset ssrs sssb ssss sstb ssts stbs stee ster stes stet stre strs stss sttr tbbs tbrb tbst teer tees teet ter- tere terr ters tese tess test tete tetr tets tett tre- tree tres tret trst trte trtr tses tset tsse tssr tsst tsts ttbb tter ttss tttt

-tree bbbee bbser be-er beber bebes beebe beebs beers beest beete beets berbe beres beret berre berse berte berts besee beset besse beste bests betee beter betes betre betrs bett- bette betts breer brees breet brere brers brese bress brest brets brett brrrr btr-t ebber ebbet ebers ebert eeeee erbbe erber erebs erere erest erets erres erses erste ersts erte erter ertes esere esser esses essse estee ester estes estet estre etest etete etree etres etter ettes rebbe reber rebet rebts reere reese reest rere- reree reres reret resee reses reset resse reste restr rests retee reter retes rette retts sebbe sebes sebet seebe seere seers seese seest seete serbs serer seres seret serre serse serss sert- serte serts seser seses sesse seste setee seter setse sette setts sssrb sssss steer stees steet stere sterr sters stert stete stets strbe streb stree stret strrs tbtbt teber tebet teebs teers teese teest teets teres teret terre terrs terse tert- tesse teste tests teter tetes tetr- tette treer trees treet trere tres- trese tress trest trete trets trett tsebe tsere tsets ttest ttttt

b-tree bbbbbb bbsers beebee beebes beerse beerst beeste beeter berbee berber berbes bereet berere berest berets berrer berres berret bersee berset bertes bertre besbes besbre besert besets besser besses besset bester betere betete bettee better bettes brebes breere breese breest breres bresse brests brette bretts bs-tbs ebbers ebbert ebbest ebbets eberts eebree erbree eretes errest errett erster essebt essert essess esssse estees esters estree estres estter esttes r-tree rebbes rebets reeser reeses reests rerees resees resets rester restes restte reteer retees reteet retere retest retree retret retter sebete sebree sebseb see-er seesee serere serers serest serre- serres serret sesser sesses sester sestet sestre setees seters settee setter steber steere steers stere- sterer steres sterre sterte street stress strete t-test t-tree tbtest teebee teerts teests teetee teeter terese terete terets terrer terres terret terser terset terter tertre tesser tesses testee tester testes tetete tetter trebes treete treets tresse tretee tretes trette tsetse ttests

b-trees bbbbbbb beetree berbere berbers beretts berrett bertree bestbet besteer bestest betrese betrest betters breeses bresser brettes ersters es-tset esterre estrees estreet estrete rebetes ressett resters restest reteere reterre retests retrete rettert seeress seesees seester sesters sestets sestett settees setters settest sssssss steerer sterres stetter streber streete streets streett t-tests tbtests teester teetees teeters terere terreer terrere terrets terrset tersest testees testers testest tetters tettete trebese treetee tresses trettre tsetses

bbbbbbbb bebetter berebere berstett besetter besserer bessette best-est bestbets betterer bretesse bteeters ess-tset essertes etbetter resetter restress serretes sestette steerers steerest sterrett strebers streeter stresses t-street terester terestr- tresette tsessebe

beebeebee besetters betterest bretessee resetters seeresses tebe-tebe tebesbest terrestre tesserete tresserre tressette

betterbeer stresstest tersesteer

stresstests test-retest

berberberets retestsetter

bbbbbbbbbbbbbbb sestetsetstests