-tree bbbee be-er beber beebe beene beete beeut bembe bemer bemet bene- benet benne bennu benue benun benur benut berbe beren beret berme berne bernt berre berru berte berum berun betee beten beter betne betre bett- bette beuer beure beute brebu breem breen breer breet breme bremm brene brenn brent brere brett breu- brmmm brrrr bruen bruer bruet brume brumm brune brunn brunt brute bruun btr-t bubbe buben buber bumbu bumme bunne bunte bunun bunut buren buret burn- burne burnt burru burte burtt burun burut buten buter butme butte butut e-ten ebber ebbet ebene ebern ebert ebner ebure eeeee eener eenet eeten embee ember embue embun emeer emere emert emmen emmer emmet emnem emtee emure enbun enent enete enmer enmun ennet enrum enrut enten enter entre enure enurn erbbe erben erber ereen erem- erere ernen ernet errtu erte erter ertun etern etete etnre etree etrun etten etter eturu eum-u eunet eurre m-net mbebe mbere mbret mbube mburu mebbe meemu meene meere meete membe memer menem menen mener menet menne mente mentu merer meret merre merte merur meten meter metr- metre metrn mette metur meuer meure meute mmmmm mnem- mneme mreru mrmet mt-te mt-tm mt-tn mt-tr mt-tt mtree mtume mumbe mumme mummu mumun munen munne munnt munte muren muret mureu murre murru murum murut muter mutet mutne mutum neber nebet nebtu neeme neere neetu nembe nembu nemen nenem nente neree neret nerre nerte nerur neten netne nette netum neuen neuer neueu neume neumu neune neur- neure nnebe ntete nu-nu numen numme nunet nunun nure- nurme nurun nutte rebbe reber rebet rebun rebut reeme reene reere remee remen remer remet remue renee rener renet renne rente rere- reree reret rerum rerun retee retem reter retnr rette reuen reuer reuet reume reune reute rmnmn rmutt rnmnt rtenn rubee ruben ruber ruere ruete rueun rumbe rumen rumer rummu runer runet runne runte ruten ruter rutte ruutu t-men t-nut tbtbt tbutt teber tebet teeme teemu tembe tembu temne tenen tener tenet teneu tenne tennu tente tenue tenur terem teret tereu terme terne terre tert- teten teter tetr- tette tntnt treen treer treet treme trene trent trere trete trett treut trubu truer trume trute ttnet ttttt tuber tuene tumbe tumbu tumen tumut tune- tuner tunne turbe turbt turem turen turet turn- turne turnt turnu turre turtu turut tutee tutte tutun tuuru u-men ubeen uber- ubume uenmr umbe- umber umbre umeer umeme unbet unete unmee unmet unnet unnun unnur unnut unrun unten unter unurn ureme urent urter urubu urutu utenn uter- utmer utrum utter uttur utube uturn uturu uunet uuuuu