-tree bbbee be-er be-ro bebel beber beblo bebot beebe beeft beele beete beeth beffe befoe befol befor beher behet behle behof behot belbo belee belef belet bellb belle bello belot beofe beoff beote beoth berbe bereh berel beret berhe berle berlo berob beroe berol beror berre berte berth berto betee betel beter bethe betle betoo betor betre bett- bette betto bheel bheer bhele bhole bhool bhoot bhore bleer bleet bleft blehr blere blete bloef bloor blorb blore blort blote bloto blott bo-bo bo-ho bobet boble bobr bobre boeol boero bofet boffo bohle bohol bohor bohot bohte bolbe bolel boleo boler bolet bolho boll- bolle bollo bolte bolto booer boole boore boort booth borbo boree borel borer boret borle boro- boroo borot borre borro borth botel botet bothe botro botte breef breel breer breet brell brelo breo- brere breth breto brett brloh brobo broer broft brohl brole broll brolo brool broth broto brrrr btr-t ebber ebbet ebble ebell ebelo eberl ebert eeeee eeler efere efetf effer effet efore eftel efter eholt ehret elbot eleet elele eleo- eleot ellel eller ellet elloe eloee eloff elole eloor elore eloro elote eloth elrob eltro eofor eorre erbbe erber erere eroor erore eroto errol error erte ertel erter erthe etete ethel ether etho- etoll etool etoro etree ettel etter ettle febel feble febre feele feeor feere fefor feher fehrl felet felle felte feltt feoff feole ferel feret ferle ferlo ferr- ferre ferro ferte ferth feteh fetel feter feto- fetor fette fhole fleer fleet flere flero flert flete flett flohr floor flore floro flote floto folet folle follo foole foore foote fore- foreh forel foreo foret forro forte forth forto fotte freeh freel freer freet frere frett frobe froot frore frote froth ft-lb fthfl ftlee ftrtt h-e-b he-he he-ro hebbe hebe- hebel heber heble heele heere heete hefer heffe hefte hehte helbo heler helle hello helo- helot helre helte helth heole heore herel herle heroe herre herro herte herth hertl herto heter hethe hette hetto hfelt hheth hhhhh hhole ho-ho ho-oh hobet hoble hoboe hobol hobor hobro hoeft hoele hofer hofle hofte hohoe hohol hohot holbr holer holet holle hollo holo- holor holte hooer hooft hoole hoore hoort horeb horel horhe horle horol horre horro horth horto hotel hothe hothr hotol hotot hotte hotto hrere hrolf hthrt htree lebel leber lebet leell leeof leere leert leffe leftb lehel leheo lehre lehto lelle leoth lerer lerot letbe lethe letot letre lette letto lobbe lobbo lober loble lobo- lobor lofer loffe lofte lohho loler lollo lolol lolth looer looft loore loote looth lorel loreo lorer loret lorre lothe lotof lotor lotte lotto o-fer o-r-b obbet obele obert obete obhor obole obolo oboro obote oboth obreb oelet oerel oerle oerth offer offof offre offto ofher ofoto oftel ofter ofthe oh-oh ohbot ohelo ohfoo ohler ohrob ohrot ohthe oleo- olere olleo oller oltet oltre oo-er ooher ooooh ooooo oothe orble orbot orell oreo- orere orero orfeh orfeo orfoe orfor orhel orlet orobe orobo oroer orret orter ortet orth- orthe ortho ortoo otell otelo otere otero other othre otole otolo ototo otter rebbe rebel reber rebet rebol reefe reeft reere reerh reeth refel refer refet reffe reffo reher rehet rehoe relee relet rello relot relte rere- reree reret rerob retee retel reter rethe retro rette retto rheo- rhett rhoeo ro-ro robbe robbo rober roble robo- robor robot robrt robte roell roero rofel roffe rofor rohel rohff rohle rohob roleo rolfe rolfo rolle rollo rooer roofe rooft roole roore roote rorer roteb rotel roter rotfl rothe rotho rotle roto- rotol rotor rotot rotte rotto tbolt tbtbt teber tebet teele teell teeth tefe tehee tele- teleo teler tell- telle tello telo- teolo teotl teret teror terre terro tert- tetel teter tethe tetle tetr- tetro tette thebe theeb theef theel theer theft thele thelo theo- theof theol theor ther- there therf therl thero thete theth thobe thofe thoff thoft thole tholl thore thoro thorr thort thoth thre- three thref threo thret throb throe throo throt tlell tlett tllbr to-be to-ho tobbe tobeh tobel tober tobet tobol tobor tobot tobre toefl toeof toerr toeto tofet toffo tofol tofor tofte toher tohoe tohot tolbo toler tolet tolle tollo toloo tolor toobe toole toolt toore tooth torbe torel toreo toret torht torob torre torro torte torto totel toter tothe totle toto- totoe totoo totte treer treet trefe treff trele trere trete trett troee trofe troff troft troll troth trott ttttt