-tree bbbee be-er beber beebe beete beeth beeut beher behet behue beppe beppu berbe bereh beret berhe berre berru berte berth betee beter bethe betre bett- bette beuer beure beute beuth bheer brebu breer breet brere breth brett breu- brrrr bruer bruet brute btr-t bubbe buber bureh buret burru burte burtt burut buter buthe butte butut ebber ebbet ebert ebure eeeee eepee ehret epher epheu epptb epure erbbe erber erept erere errtu erte erter erthe erupt etete ether etree etter eturu eurre h-e-b he-he hebbe hebe- heber heepe heere heete hehte heper hepet hept- herpt herre herte herth hertu herur herut heter hethe hette hetup hetur heuer heure heurt heute hheth hhhhh hrere hrrep hthrt htree httpr hu-pe hubbe huber hubur huere huete huhuh hupeh hupet huppe hurbe hureh hurre hurtt hurtu hurup hutte huttu hutup huuru p-rep pebre peebu peere peert peete peeth pepee peppe pept- pepup perer peret perre perte perth perur petbe peter petr- petre petru pette petuh petur peure phebe pheer phere phpbb phpht phtpp phutu prete prute pter- ptere ptprb ptpre ptprh ptprr ptprt ptpru puber puett puhtu pupet puppe puree pureh purer purre purte puter putre putt- putte puttu putup re-up rebbe reber rebet rebut reepe reere reerh reeth reher rehet rehue repet reppe reprt repub reput rere- reree reret retee reter rethe rette reuer reuet reute reuth rhett rubee ruber rubup ruere ruete rueth ruhub rupee ruper ruteh ruter ruthe ruthu rutte ruuth ruutu t-hub tbtbt tbutt teber tebet teepe teeth teeup tehee tepee tepet tepeu teppu teret tereu terre tert- teter tethe tetr- tette teuhe thebe theeb theer theeu thepe ther- there therp thete theth theue thre- three threp thret threu thrub thrue thttp thuet thure thurt thuru thute treer treet trepp trept trere trete trett treut trubu truer trupt trute truth ttttt tuber tuhte tupee turbe turbt tureh turet turph turre turtu turup turut tutee tutte tuuru uber- uh-ee uh-uh uhhuh uhuru upeet upher upper upput upter upthe urter urthe urubu urupe urutu uter- uther utter uttur utube uturu uuuuu