-tree bbbee be-er beber beebe beene beete bembe bemer bemet bene- benet benne berbe beren beret berme berne bernt berre berte betee beten beter betne betre bett- bette breem breen breer breet breme bremm brene brenn brent brere brett brmmm brrrr btr-t e-ten ebber ebbet ebene ebern ebert ebner eeeee eener eenet eeten embee ember emeer emere emert emmen emmer emmet emnem emtee enent enete enmer ennet enten enter entre erbbe erben erber ereen erem- erere ernen ernet erte erter etern etete etnre etree etten etter m-net mbebe mbere mbret mebbe meene meere meete membe memer menem menen mener menet menne mente merer meret merre merte meten meter metr- metre metrn mette mmmmm mnem- mneme mrmet mt-te mt-tm mt-tn mt-tr mt-tt mtree neber nebet neeme neere nembe nemen nenem nente neree neret nerre nerte neten netne nette nnebe ntete rebbe reber rebet reeme reene reere remee remen remer remet renee rener renet renne rente rere- reree reret retee retem reter retnr rette rmnmn rnmnt rtenn t-men tbtbt teber tebet teeme tembe temne tenen tener tenet tenne tente terem teret terme terne terre tert- teten teter tetr- tette tntnt treen treer treet treme trene trent trere trete trett ttnet ttttt