hert hesc hesh hess hest hete heth hets hett hggc hghs hgse hgst hgtc hgts hhgg hhhh hhhs hree hrhs hrrc hrtb hrte hsbc hscc hsct hses hset hshs hsse hste hsts htcc htet htgs hths htsc httr rbbb rbbr rbbs rbgh rbhs rbss rbst rcbc rccb rccc rccs rcet rcgc rchb rchs rcrg rcsc rcss rctc rctg rcts rebb rebe rebs recc rece rech recr recs rect reeb rees reet rege regr regs regt rehb rehe rehs reht rere rerg rers rert rese resh ress rest rete reth retr rets rett rgbe rghs rgtr rgts rhbg rhce rhcg rheb rhee rhes rhet rhhs rrhs rrrr rscc rsch rscs rsee rsgb rsgc rshs rsre rsts rtcc rtce rtcg rtee rtes rtgs rths rtss rtts sbbs sbcc sbcs sbct sber sbhc sbhs sbse sbst sbtc sccc scce sccs scct scec scee sceg scer scet scgs sch- sche schh schr schs scr- scrc scre scrs scsc scsh scsr scst sctc sctr scts se-c se-e se-g se-h se-s se-t sebe sebs sebt sec- secc sece secg sech secr secs sect seeb seec seeg seeh seer sees seet sege segg segh segs sehe sehr sehs serb serc sere serg serr sers sert sesc sese sesh sess sest set- setc sete seth sets sett sgcb sgce sgcg sger sges sggg sggs sghc sghs sgsh sgss sgts shbs shbt shcc she- sheb shee sheh sher shes shet shgc shgr shhh shhs shre shrs shsc shtg shts srbc srcc srch srct sreb srec sres srgb srhs srtr ssbr sscc ssce sscs ssec ssee sses sset ssgs ssgt sshs ssrc ssrg ssrs sssb sssc sssh ssss sstb sstc ssth ssts stbc stbs stcc stch stcs stec stee steg ster stes stet stge stgr sthg sths strc stre strs stss sttc sttr tbbs tbcb tbcc tbce tbgs tbhs tbrb tbst tcbs tccc tch- tche tchh tchr tchs tcsh tctc tcts tech tecr tecs tect teec teer tees teet tegg tegh tegs tegt tehr ter- terc tere terr ters tesc tese tesh tess test tete teth tetr tets tett tgcc tghs tgtc tgts thbs thch the- theb thec thee ther thes thet thre thse thsr thss thtb thtr thts trcc tre- trec tree treg tres tret trge trhs trst trtc trte trtr tsbc tscc tscg tsec tses tset tsgt tshb tshe tshs tsse tssg tssr tsst tstc tsts ttbb tter ttss tttt

-tree bbbee bbser bbsrc bcbst bcers be-er beber bebes beche beebe beebs beech beers beest beete beeth beets begee beget begge beggs beher behet berbe berec bereg bereh beres beret berge bergh bergs berhe berre berse berte berth berts besch besee beset beshe besse beste bests betch betee beter betes bethe beths betre betrs bett- bette betts bheer bhees bhsec bhtec brece brech breer brees breet breg- brege bregg brere brers brese bresh bress brest breth brets brett brrrr brsec brths btc-e btech btr-t c-tec cbers cbgbs ccccc ccett cebec ceber cebes cech ceche cecht ceere ceese cegge cerc- cerce cercs cerec cerer ceres ceret cerge cerre cerrs cerse cerss certe certs cesce cescr cesgs cesse ceste cests cetes cette chebs chech cheer chees cheet chege chegg chehr chere chert chesb chese chess chest chete cheth chets chett chher crebe crece creer crees cregg cresc crese cress crest crete crres csche csere cstcc ctree cttee ebber ebbet eberg ebers ebert eches echss echte ecseg ecser ecthr eeeee eetch egers egest egger egres egret ehret erbbe erber erceg erebs erech erecs erect erege erere eresh erest erets erres erses erste ersts erte erter ertes erthe esces esche escrt esect esere esher eshes eshre esser esses essse estce estee ester estes estet esths estre etche etest etete ether etree etres etter ettes gberg gcses geber gebet gebre gecse gee-h geech geere geers geert geese geest geete gegge gehee gerbe gerbs gerce geres gerre gers- gerse gersh gerss gerth gerts gertt geser geshe gesse geste gests getee geter gethe gette getts ghees gheet ghegs ghess ghest grebe grece grech grecs greer grees greet grege gregg gregs grese gresh gress grest grete greth grett grrrr gshhg gsses gtech gtsss h-e-b hbcse he-he hebbe hebe- heber heche hecht hect- hecte heebs heegh heere heers heese heest heete heger hegge heggs heght hehes hehte herbs herce hereg heres herre herrs herse hersh herte herth herts heshe hesse hests hetch heter hetes hethe heths hette hgttg hheth hhhhh hrere hters htest hthrt htree rebbe rebec rebeg reber rebet rebts recce recet reche recht rect- recte rects reece reech reecs reege reere reerh reese reest reeth regec reger reges reget regge regts regtt reher rehet rere- reree reres reret resch resee reses reset resht resse reste restr rests retch retee reter retes rethe retrg rette retts rgstc rhees rhett s-sch s-tec sccbc scegg scere scert schec scher schet scrch screc scree screg scrgb scter sctrs sebbe sebes sebet seche sechs secre secte sects seebe seece seech seege seegh seehe seere seers seese seest seete seeth segeg seger seget segge seghe segre segrt segtb serbs serce serch serec sereh serer seres seret serge sergs sergt serre serse serss sert- serte serts sesce seser seses sesse seste setec setee seteh seter sethe seths setse sette setts sheer sheet shegh shehe shere sherr shers shert shesh shete sheth shets shett shhhh shree shthg srbce srbec ss-gb ssgts sssrb ssssh sssss stech steeg steer stees steet steg- stege stegh stegs sterc stere sterr sters stert stete steth stets stger stges sthrt strbe streb stree stret strrs sttch tbtbt tches tchrs teber tebet tecch teche techs tectb teebs teech teege teehs teers teese teest teeth teets teges teght tegre tehee terce teres teret terge terre terrs terse tert- tesch teshe tesse teste tests tetch teter tetes tethe teths tetr- tetsh tette thebe thec- thect theeb theer thees thegh thegr ther- there thers thesc these thesh thete theth thre- three thret thsts treer trees treet treg- trere tres- trese tresh tress trest trete trets trett trsce tsch- tsebe tsere tsets tsgts tsrcs ttest ttttt

b-tree bbbbbb bbsers bchers becher bechet beebee beebes