-tree b-e-d bbbee bd-re bdoor bdort be-er be-ro bebdo bebed beber bebod bebot bedde bedee beder bedet bedof bedot beebe beede beeft beerd beete beffe befoe befor beode beofe beoff beord beote berbe berde bered beret berob beroe beror berre berte berto betee beter betoo betor betre bett- bette betto bo-bo bobet bobr bobre bodd- boded boder bodoe bodor boedo boero bofet boffo boode booed booer boord boore boort borbo borde bordo bored boree borer boret boro- borod boroo borot borre borro botet botro botte bredd brede bredt breed breef breer breet breo- brerd brere breto brett brobo brodd brode brodo broer broft brood broto brrrr btr-d btr-t d-dot d-rod ddddd ddebo debed deber debet debot debro debte debtf dedde dedee deder deede deefe deeff deere defed defeo defer defet deffe deffo defoe defot deore deoro derbe derde dered dero- derob derre derro deter detoo detre dette do-do dobee dober dobre dobro dodoo dodro doerr dofor doodo doore doote dordt dored doree doret dorff dorot dorre dorte doted doter dotoo dotto drbob drdre dredd drede dreed dreff dreft dreof drere drobe drobo drode drofe droff drood droof drote drott e-dee e-otd ebbed ebber ebbet ebert edder eddoe eddre edeo- edere edfor edoor edott edred eeeee eefde eerde efere efetf effed effer effet efore efter eofor eorre erbbe erber erdor erdre erede erere erfde erode erodr eroor erore eroto erred error erte erter etete etoro etree etter febre fedde fedee feder fedor fedto feeor feere fefor feode feoff feood ferde fered feret ferr- ferre ferro ferte feted feter feto- fetor fette fodor foodb foord foore foote ford- forde fordo fore- foreo foret forro forte forto fotte frede fredo freed freer freet frere frett frobe frodo froed frood froot frore frote ftord ftrtt o-fer o-r-b obbet obedt obert obete obodo oboro obote obreb odder odebo odeto odore odttf offed offer offof offre offto ofoto ofter oo-er ooooo orbed orbot order ordet ordre ordro oredo oreed oreo- orere orero orfeo orfoe orfor orobe orobo orodo oroer orret orter ortet ortoo otere otero ototo otter rebbe reber rebet redbd redde reder redor redot reede reefe reeft reere refdb refed refer refet reffe reffo reord rerde rere- reree reret rerob reted retee reter retro rette retto ro-ro robbe robbo robed rober robo- robor robot robrt robte rodbo rodde roded rodef rodeo roder rodor roero roffe rofor roode rooer roofe rooft roore roote rorer roteb roted roter roto- rotor rotot rotte rotto tbtbt teber tebet tedef teder teerd tefe teodo teret teror terre terro tert- teter tetr- tetro tette to-be to-do tobbe tobed tober tobet tobor tobot tobre toder todor toeof toerr toeto tofet toffo tofor tofte toobe toode tooed toord toore torbe torde tored toreo toret torob torre torro torte torto toted toter toto- totoe totoo totte treed treer treet trefe treff trere trete trett trode troee trofe troff troft trood trott ttttt