-tree eeeee eepee ef-tu efere efetf effer effet efter efuru efutu ehret epher epheu eptfe epure erept erere errtu erte erter erthe erupt etete ether etree etter eturu eurre feere feher feret ferr- ferre ferte ferth feteh feter fette feuer feute freeh freep freer freet frere frett freur frute ftrtt fu-fu furth futuh futur he-he heepe heere heete hefer heffe hefte hehte heper hepet hept- herpf herpt herre herte herth hertu herur herut heter hethe hette hetup hetur heuer heure heurt heute hheth hhhhh hrere hrrep hthrt htree httpr hu-pe huere huete huffe huhuh hupeh hupet huppe hureh hurre hurtt hurtu hurup hutte huttu hutup huuru p-rep peere peert peete peeth pepee peppe pept- pepup perer peret perre perte perth perur peter petr- petre petru pette petuh petur peure pheer phere phfft phpht phtpp phutu preef preff prete prute pter- ptere ptpre ptprf ptprh ptprr ptprt ptpru puett puhtu pupet puppe puree pureh purer purre purte puter putre putt- putte puttu putup re-up reefe reeft reepe reere reerh reeth refer refet reffe refut reher rehet rehue repet reppe reprt reput rere- reree reret retee reter rethe rette reuer reuet reute reuth rhett rperf ruere ruete rueth ruffe rupee ruper ruteh ruter ruthe ruthu rutte ruuth ruutu teepe teeth teeup tefe tehee tepee tepet tepeu teppu teret tereu terre tert- teter tethe tetr- tette teuhe theef theer theeu theft thepe ther- there therf therp thete theth theue thre- three thref threp thret threu thrue thttp thuet thuff thure thurf thurt thuru thute treer treet trefe treff trepp trept trere trete trett treut truer truff trupt trute truth ttttt tuffe tufte tuhte tupee tureh turet turph turre turtu turup turut tutee tutte tuuru ufere uh-ee uh-uh uhhuh uhuru upeet upher upper upput upter upthe urter urthe urupe urutu uter- uther utter uttur uturu uuuuu