-er bbb bbe bbr bbs bbt be- beb bee ber bes bet bez brb bre brr brs brt brz bsb bse bsr bss bst btb bte btr bts btt btz bze bzr bzs bzz ebb ebe ebr ebs ebt eeb eee eer ees eet erb ere err ers ert erz es- esb ese esr ess est etb ete etr ets ett etz eze ezr ezs ezz rbb rbe rbr rbs rbt re- reb ree rer res ret rez rrb rrr rrs rrt rsb rse rsr rss rst rtb rte rtr rts rtt rtz rzb rze sbb sbe sbr sbs sbt se- seb see ser ses set sez sr- srb sre srr srs srt ss- ssb sse ssr sss sst ssz stb ste str sts stt stz sze szr tbb tbe tbr tbs tbt tbz te- teb tee ter tes tet tez trb tre trr trs trt trz tsb tse tsr tss tst ttb tte ttr tts ttt tze tzs zbb zbr zbs zbt zeb zee zer zes zet zez zrs zse zst zsz zte ztr zzr zzs zzt zzz

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

-tree bbbee bbser be-er beber bebes beebe beebs beers beest beete beets beez berbe beres beret berre berse berte berts berze besee beset besse beste bests betee beter betes betre betrs bett- bette betts bezer bezes breer brees breet brere brers brese bress brest brets brett bretz breze brrrr btr-t bzzzt ebber ebbet ebers ebert eeeee erbbe erber erebs erere erest erets eretz 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 reetz reeze rere- reree reres reret rerez resee reses reset resse reste restr rests retee reter retes rette retts rezes sebbe sebes sebet seebe seere seers seese seest seete serbs serer seres seret serez serre serse serss sert- serte serts seser seses sesse seste setee seter setse sette setts sezer sezze sssrb sssss steer stees steet stere sterr sters stert stete stets strbe streb stree stret strez strrs sttrz 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 tzere z-ter zebre zeese zerbe zerre zeste zests zetes zrbtt zzzzz

b-tree bbbbbb bbsers beebee beebes beerse beerst beerze beeste beeter beezer 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 betzet brebes breere breese breest breeze breres bresse breste 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 eszett eszter etrez r-tree rebbes rebets reeser reeses reests rerees resees resets rester restes restez restte reteer retees reteet retere retest retree retret retter rezzes sebete sebree sebseb see-er seesee serere serers serest serre- serres serret sesser sesses sester sestet sestre setees seters settee setter setzer 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 terzet tesser tesses testee tester testes tetete tetter trebes treete treets tresse tretee tretes trette tsetse tsetze ttests tzetse tzetze z-test zeebee zeesse zeetes zerbet zerbst zertes zertz zester zezere

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

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

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

betterbeer stresstest tersesteer

stresstests test-retest

berberberets retestsetter

bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz sestetsetstests