-tree bbbee be-er beber beebe beene beete beeve bene- benet benne berbe beren beret berne bernt berre berte betee beten beter betne betre bett- bette bever breen breer breet brene brenn brent brere brett breve brrrr btr-t e-ten ebber ebbet ebene ebern ebert ebner eeeee eener eenet eeten eevee eever enent enete ennet enten enter entre enver erbbe erben erber ereen erere ereve ernen ernet erte erter erven etern etete etnre etree etten etter even- evene event evere everr evert evete evett eveve evren neber nebet neere neeve nente neree neret nerre nerte nerv- nerve neten netne nette nettv neven never nevet nevre nevve nnebe ntete rebbe reber rebet reene reere reeve renee rener renet renne rente rere- reree reret retee reter retnr rette reven rever revet rtenn rtrev tbtbt teber tebet tenen tener tenet tenne tente teret terne terre tert- terve teten teter tetr- tette tevet tntnt treen treer treet trene trent trere trete trett treve ttnet ttttt veber vebre veere veeve venee vener venet venev venne vente vereb veren verne verre verte verve veten vette vever vrben