tobe tobi tobo tobt toce toci toco toee toei toer toet toie toit toor toot torc tore tori toro torr tort totc tote toti toto totr tott trcc tre- trec tree trei treo tret tri- trib tric trie trio trit troc troe troi troo trot trtc trte trtr ttbb tteo tter ttoe tttt

-tree bbbee be-er be-ro beber bebic bebot bebti becco becic beebe beeri beete beibi beice beier beire beite beoci beoir beote berbe berec berei beret berie berio berit berob beroe beror berre berri berte berti berto betee beter betie betio betoo betor betre bett- bette betti betto bibbe bibbo biber bibic bibie bibio bibri bicer biebe biere bieri biert bieti bioci bioco biore birie biroc biter bitit bitte bitti bitto bo-bo bobbi bobet boboc bobr bobre bobri bocce bocci bocet bocor boece boero boibe boice boier boire boiro boite boito booce booco booer booit boore boort borbo borce borci borec boree borer boret boric borio boro- boroo borot borre borro botet botie botro botte botti brece breer breet breit breo- breoc brere breto brett bribe brice brico briec brier briot brite brito britt brobo broce broer broto brrrr btc-e btr-t c-cor c-tec ccccc cccii ccett cciii ccitt cebec ceber cebit ceci- cecie ceco- cecri ceere ceibo ceirt ceoce ceoor cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe cetic ceto- cette ciber cibir cicer cietc circe circo ciric cirie cirio cirr- cirri cirro citec citee citer citie citr- citro citte co-bo co-co cobbe cobie cobit cobot cobre cocc- cocce cocci cocco coceo cocio cocir cocto coete coice coire coiro coite cooee cooer cooie coore coote corbe corbi corbo corce core- coree corer corie corio coro- coroi corot corre corri corte corti corto coter cott- cotte cotto crebe crece creer creio creo- creot crete cribb cribe cribo crice crier crio- crito croce croci croco crooe croot crore crote crott ctree ctrie cttee cttoi ebber ebbet ebbie ebert ebibe ebrio ecori ecrit ecto- ector ectot eeeee eerie eetti eieio eirie eiter eitri eorre erbbe erber erect erere ericb erice erier eriic erio- erite eroor erore eroto error erte erter etete etio- etite etoro etree etter ettie i-beo i-bet i-bot ibero ibert ibeti ibibo ibore icbrr ice-t iceci iceit icici icier icter ictic iebet iecee ieiri ierei ieroe iette iiiee iiiii iitti iobit ioooi ioooo iorio iotic iotit iotti irbit ircii irece irete irico irite irobo irori irrit irtec itbit itero itete itire itobi itter ittoo ittre ittti o-r-b obbet obeie obert obete obice oboro obote obreb occii ocice ocoee ocote ocr-b ocree ocrie octet octic octo- octor oeco- oeiro oirot oitti oo-er oobit oocre ooioo ooooo oorie orbec orbic orbit orbot orcet orebi oreco oreo- oreoi orere orero oribe oribi orice orito orobe orobo oroco oroer orret orter ortet ortoo otcbb otere oteri otero otice otobi otoce otori ototo otric otter ottir ottoi r-co- rcirc rebbe rebec reber rebet rebit recce recco recet recio recit rect- recte recti recto reece reere reeti reice reoti rere- reree reret reric rerir rerob retee reter retie retro rette retto ribbi ribce riber ribet ribie ribo- ribot ricci ricco ricer rieti ririe ro-ro robbe robbi robbo robec rober robic robie robo- robor robot robrt robte rocco rocio rocor roero roiot roite rooer roore roote rorer roric roteb roter rotie roto- rotor rotot rotte rotti rotto rtice tbeti tbtbt tcobb teber tebet tebi- tecic tectb teito teoco terce terco teret teroi teror terre terri terro tert- teter tetr- tetri tetro tette ti-ti tibbi tiber tibet tibor tibro ticci ticer tieit tiere tieri tiero tieto tiobe tiore tiree tireo tirer tiret tirit tiro- tiroi titcr titer titii titre titte titti to-be tobbe tober tobet tobie tobit tobor tobot tobre tocci tocco toco- toece toeic toeit toerr toeto toico toobe toore torbe torce toreo toret toric torii torio torit torob torre torri torro torte torti torto toter toti- totie toto- totoe totoo totte trboc treco treer treet treib treie treit trere treri trete trett tribe trice trico trieb triei trier triet trior trit- trite trito tritt troco troee troic troie trott ttttt

b-tree bbbbbb bebeto bebite becice beebee beeter beiber beocic berbee berbeo berber berceo bercio bereet berere berrer berret berric berrie bertie bertre betere betete betire bettee better bettie bettor bibber bibice bibiri bicioc bieber bierce biobor biotec biotic biotti bircii biribi birori birote biteit bitice bitier bitrot bitter bittie bittor bobber bobbie bobbio bobete bobice bobiri boboci bobote boccie boccob bocoio boeber boerre boetie boober boobie booboo bootee booter bootie bootit borbor borebi boreci boreto borier borore bororo borte botere botero botete botoro botree botter bottie breere breite brette bribe- bribee briber bribir bribri britco brito- britot brocco brocor brocot broter brotto c-trie cebeci ceecee ceitec cercie cerco- cerete cerice cerici cerite cerote certco certie cetore cibber ciboir cicero cicree ciocci ciotti circot cirice cirici ciroc cirri- cirro- cirroc citect citice citico citri- citric citrio citro- cobber cobbit cobbob cobric cocci- cocco- cocito cococo cocto- coerce coo-er coocoo coorie cooter cootie corbet corbie corbio corcir corect coribe correi corrib corrie corteo cortot cotice cotote cotter crecco creete creote cretic crico- criteo critic critot crobot crocco crocer croice croire croote ctibor ebbert eboric ebr-ii ebrie ecobee ecobot ecotec ecrier ecrire ectro- eebree eerect eerier eibert eototo erbree erebti ericii erotic eroto- errett errico errori ertico etcetc etoeot ettore i-beot i-bere i-bete i-crei i-tree iberic ibero- ibibio ibrict icter- ieobet ier-oe ierror iiooio irereo iritic irobot irrite itoite ittiri ittro- obcice oberoi oberto obiter oborci obtect obtree ociete ocreo- octett octoic octree octroi oerter oooooo orbier orcier orobii orotic orrice orrico ortico otitic otocec ototoi otroci otteri ottoii ottoor r-tree rebbec rebbit rebice rebite reboot rebore rebote receit recice reciet recite recoct recore recreo recti- recto- rector reiber reioce reiter rerobe reroot retece reteer reteet reteoo retere retire retiro retore retort retree retret retro- retrot retter ribber ribbet ribbie ribbit ribero ribibe ribici ribier ricet ricice ricoct ricore ricote rictor rieber rieter riette rietti riobec riot-e rioter rititi ritter ritto