-tree b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedet bedub bedue beebe beede beerd beete beeth beeut beher behet behue berbe berde berdu bered bereh beret berhe berre berru berte berth betee beter bethe betre bett- bette beuer beure beute beuth bheer bhrrd brebu bredd brede bredt breed breer breet brerd brere breth brett breu- brrrr brud- brude brued bruer bruet brute btr-d btr-t bubbe buber budde buddh buddu budur burde bureh buret burru burte burtt burud burut buter buthe butte butut ddddd debed deber debet debte debut dedde dedee deder dedur dedut deede deere deeth derbe derde dered derre derth derub derue deter dethe detre dette detur deure deut- dhedh dhubb dhuhr drdre dredd drede dreed drehe drere drude dubee duded duder duere duerr duete duett duhbe durbe dured duree durer duret durre durte durtu duruh dutte e-dee ebbed ebber ebbet ebert ebure edder eddre edere edred eeeee eerde ehret erbbe erber erdre erdut erede erere erred errtu erte erter erthe etete ether etree etter etude eturu eurre h-e-b he-he hebbe hebe- heber hedde heded heder hedur heede heerd heere heete hehte herdt herre herte herth hertu herur herut heter hethe hette hetur heued heuer heure heurt heute hheth hhhhh hhtdd hrere hthrt htree hubbe huber hubur hudde hudeh huder hudud hudur huere huete huhuh hurbe hureh hurre hurtt hurtu hutte huttu huuru rebbe reber rebet rebud rebut redbd redde reder redhu redub redur reede reere reerh reeth rehed reher rehet rehue rerde rere- reree reret reted retee reter rethe rette reuer reuet reute reuth rhede rhett rubee ruber ruder ruede ruere ruete rueth ruhub rurde ruteh ruter ruthe ruthu rutte ruuth ruutu t-hub tbtbt tbutt teber tebet teder teerd teeth tehee teret tereu terre tert- teter tethe tetr- tette teuhe thebe thede theeb theed theer theeu ther- there thete theth theue thre- thred three thret threu thrub thrue thuet thurd thure thurt thuru thute treed treer treet trere trete trett treut trhde trhdr trubu trude trued truer trute truth ttttt tubed tuber tudeh tuder tudre tudur tuhte turbe turbt tureh turet turre turtu turut tutee tutte tuuru u-dub uber- udder udert uh-ee uh-uh uhhuh uhuru urdee urter urthe urubu urutu uter- uther utrdb utter uttur utube uturu uuuuu