-tree eeeee ef-tu efere efetf effer effet efter efuru efutu ehret erere errtu erte erter erthe etete ether etree etter eturu eurre feere feher feret ferr- ferre ferte ferth feteh feter fette feuer feute freeh freer freet frere frett freur frute ftrtt fu-fu furth futuh futur he-he heere heete hefer heffe hefte hehte herre herte herth hertu herur herut heter hethe hette hetur heuer heure heurt heute hheth hhhhh hrere hthrt htree huere huete huffe huhuh hureh hurre hurtt hurtu hutte huttu huuru reefe reeft reere reerh reeth refer refet reffe refut reher rehet rehue rere- reree reret retee reter rethe rette reuer reuet reute reuth rhett ruere ruete rueth ruffe ruteh ruter ruthe ruthu rutte ruuth ruutu teeth tefe tehee teret tereu terre tert- teter tethe tetr- tette teuhe theef theer theeu theft ther- there therf thete theth theue thre- three thref thret threu thrue thuet thuff thure thurf thurt thuru thute treer treet trefe treff trere trete trett treut truer truff trute truth ttttt tuffe tufte tuhte tureh turet turre turtu turut tutee tutte tuuru ufere uh-ee uh-uh uhhuh uhuru urter urthe urutu uter- uther utter uttur uturu uuuuu