-tree e-ten eeeee eener eenet eeten enent enete ennet enrut enten enter entre enure enurn ereen erere ernen ernet errtu erte erter ertun etern etete etnre etree etrun etten etter eturu eunet eurre neere neetu nente neree neret nerre nerte nerur neten netne nette neuen neuer neueu neune neur- neure ntete nu-nu nunet nunun nure- nurun nutte reene reere renee rener renet renne rente rere- reree reret rerun retee reter retnr rette reuen reuer reuet reune reute rtenn ruere ruete rueun runer runet runne runte ruten ruter rutte ruutu t-nut tenen tener tenet teneu tenne tennu tente tenue tenur teret tereu terne terre tert- teten teter tetr- tette tntnt treen treer treet trene trent trere trete trett treut truer trute ttnet ttttt tuene tune- tuner tunne turen turet turn- turne turnt turnu turre turtu turut tutee tutte tutun tuuru unete unnet unnun unnur unnut unrun unten unter unurn urent urter urutu utenn uter- utter uttur uturn uturu uunet uuuuu