oror orot orro orte orth orto otbd oted otee oter othe otho othr oto- otoe otog otoh otoo otor otre otro otte otto rbbb rbbr rbgh rboh rder rebb rebe rebo redd rede redh redo redr reeb reed reet regd rege rego regr regt rehb rehe reht reod reog reot rerd rere rerg rero rert retd rete reth reto retr rett rgbe rgtr rhbg rheb rhee rheo rhet rhob rhod rhog rhoh rob- robb robe robo robt rodd rode rodo roed roeg roer roet roge rogg rogh rogo rohe rohr roob rood roog roor root rore roro rort rote rotg roth roto rotr rott rred rrrr rtdt rtee tbrb tddb tdor tebo tedd tede teed teer teet tegg tegh tego tegt teho tehr teoh teor ter- tere tero terr tete teth teto tetr tett thdr the- theb thed thee theo ther thet thoe thog thoo thor thot thre thro thtb thtr tobe tobo tobt todd tode todo todt toed toee toeh toer toet toge togh togo togr togt toho tood tooh toor toot tord tore torg toro torr tort totd tote toth toto totr tott tre- tred tree treg treo tret trge trod troe trog troo trot trte trtr ttbb tteo tter ttoe tttt

-tree b-e-d bbbee bd-re bdoor bdort be-er be-ro bebdo bebed beber bebod bebog bebot bedde bedee beder bedet bedog bedot beebe beede beerd beete beeth begee beget begge begob begod begor begot begto beher behet behot beode beord beote beoth berbe berde bered bereg bereh beret berge bergh berhe berob beroe beror berre berte berth berto betee beter bethe betoo betor betre bett- bette betto bheer bhood bhoot bhore bhrrd bo-bo bo-ho bobet bobr bobre bodd- boded boder bodge bodhe bodoe bodog bodor boedo boege boero boger boget bogge boghe boght bogoe bogor bogot bohge bohor bohot bohte boode boodh booed booer boord boore boort booth borbo borde bordo bored boree borer boret borge borgh borgo boro- borod boroo borot borre borro borth botet bothe botro botte bredd brede bredt breed breer breet breg- brege bregg breo- brerd brere breth breto brett brobo brodd brode brodo broer brogh brood broth broto brrrr btr-d btr-t d-dot d-rod ddddd ddebo debed deber debet debot debro debte dedde dedee deder deede deegh deere deeth degeh degre deore deoro derbe derde dered dereg derge dero- derob derog derre derro derth deter dethe detho detoo detre dette dhedh dhobb dhoot dhote do-do dobee dober dobre dobro dodge dodoo dodro doerr doeth dogbo dogge doggo doght doodo doogh doore doote dooth dordt dored doree doreh doret dorge dorog dorot dorre dorte dorth doted doter dothe dotoo dotto drbob drdre dredd drede dredg dreed dregh drehe drere drgeo drobe drobo drode drog- drogh drogo drood droog drote drott e-dee e-otd ebbed ebber ebbet eberg ebert edder eddoe eddre edeo- edere edged edger edoor edott edred eeeee eerde egede egged egger egret ehret eorre erbbe erber erdor erdre erede erege erere ergo- ergot erode erodr eroge eroor erore eroto erred error erte erter erthe etete ether etho- etoro etree etrog etter gberg geber gebet gebre gedeb gedeo geder gedge gedre gee-h geebo geere geert geete gegge gehee geode georg gerbe gerbo gerd- gerde gerdt gerre gerth gertt getee geter getgo gethe getho gette getto ghede gheet ghore go-go go-oo go-to gobbe gobbo gobeo gobet gobot godbe goddo godet godor godot godre goehr goeth goget goght gogro goher gohog gohor goobo goode goodg goodo gooed googe goooh goord goore goote gorbe gorde gordo gored goree gorer gorge gorgo gorod gorre goter gothe gotoh gotoo gotor gotto grebe grebo grede greed greer greet grege gregg grego greot grete greth grett grodd grode grodt groet groge grogg grohe grood groot grote groth grott grrrr gtrot h-e-b hbogo he-he he-ro hebbe hebdo hebe- heber hedde heded heder hedge heede heegh heerd heere heete hegde heger hegge heght hehte heore herdt hereg herod heroe herre herro herte herth herto heter hethe hette hetto hgttg hheth hhhhh hhtdd ho-ho ho-oh hobet hoboe hobor hobro hodde hoder hodge hodhr hodod hoedd hoeeg hoegh hoge- hoger hogge hoghe hohoe hohot hooed hooer hooge hoord hoore hoort horde hordt horeb horhe horod horre horro hortd horth horto hoted hothe hothr hotot hotte hotto hrere hthrt htree o-dog o-r-b obbet obedt oberg obert obete obhor obodo oboro obote oboth obreb odder oddhe odebo odeto odore oerth ogeed ogode ogogo oh-oh ohbot oheed ohgee ohgod ohrob ohrot ohthe oo-er oohed ooher ooooh ooooo oothe orbed orbot order ordet ordre ordro oredo oreed oreo- orere orero orobe orobo orodo oroer orret orrgo orter ortet orth- orthe ortho ortoo otego otere otero other othre ototo otter rebbe rebeg reber rebet redbd redde reder redor redot reede reege reere reerh reeth reger reget regge reggo regtt rehed reher rehet rehoe reord reorg rerde rere- reree reret rerob reted retee reter retgo rethe retrg retro rette retto rhede rheo- rhett rhod- rhode rhodo rhoeo ro-ro robbe robbo robed rober robo- robor robot robrt robte rodbo rodde roded rodeo roder rodge rodor roero roger roget rogge roghe rogho roght rohde rohob rohod roode rooer rooge roore roote rorer roteb roted roter rotge rothe rotho roto- rotor rotot rotte rotto t-dog tbtbt teber tebet teder tedge teege teerd teeth teght tegre tehee teodo teret terge tergo teror terre terro tert- teter tethe tetr- tetro tette thebe thede theeb theed theer thegh thego thegr theo- theod theog theor ther- there thero thete theth thobe thode thogh thore thoro thorr thort thoth thre- thred three threo thret throb throd throe throo throt to-be to-do to-go to-ho tobbe tobed tobeg tobeh tober tobet tobog tobor tobot tobre toder todor toego toerr toeto toged toget togge toghe toght toher tohoe tohot toobe toode tooed toogh toord toore tooth torbe torde tored toreo toret torgo torht torob torog torre torro torte torto toted toter tothe toto- totoe totoo totte treed treer treet treg- trego trere trete trett trhde trhdr trode troee trogh trood troth trott ttttt

b-tree bbbbbb be-ode bebeto bedded bedder beddoe bedebt bedhog bedote