-tree eeeee eeler eheke ehret ekker ekuku ekuru eleet elele eleut ellek ellel eller ellet ellul eltek elulu eluru elute erere erkel errtu erte ertel erter erthe eruke eteke etete ethel ether etree etrek ettel etter ettle eturu euell euhel euler eurel eurre he-he heele heere heete hehte hekel heker hekk- hekte helek heler helle helre helte helth helue herek herel herke herle herre herte herth hertl hertu heruk herur herut hetek heter hethe hette hetur heuer heule heure heurt heute hheth hhhhh hrere hthrt htree huere huete huhuh huker huleh huler hulle hureh hurel hurll hurre hurtt hurtu hutte huttu huuru k-tel k-ute keele keere kehek kehel kehte keleh kelek kelle kerek kerel keret kerle kerre kertu ketek ketel keter kethe kette kheer kheth khull khuru khutu khuur kleet klerk klett kluke klute kreek kreel krehl kreke krele krell krete kreuk krull kruth kuehl kueht kuheh kuhle kukel kukle kukur kullu kulte kulul kulur kureh kurek kurku kurlu kurre kurte kurth kuruk kuteh kuthe kutkh kutlu kutte kuttu kutur leeke leell leere leert lehel lehre lekel lekeu leleu lelle lerer letek lethe letre lette letur leuk- leuke leuth luhte luker luket lukre lukut luleh lulle lulte lulul lurer lurue lute- lutek luter lutke lutte reere reerh reeth reher rehet rehue rekel rekke rekle relee relek relet relte relue rere- reree reret retee retel reter rethe rette reuel reuer reuet reule reute reuth rhett rt-rk ruehl ruele ruell ruere ruete rueth ruhle rukel rukke ruler ruteh ruter ruthe ruthu rutle rutte rutul ruule ruuth ruutu teele teell teeth tehee tekel teket tekke tele- telek teler teleu tell- telle teluk terek teret tereu terre tert- tetel teter tethe tetle tetr- tette teuhe theek theel theer theeu theke thele ther- there therk therl thete theth theue theuk thre- three thret threu thrue thuet thule thulk thure thurl thurt thuru thute tlell tlett treer treet trele trere trete trett treut truel truer truke trule trull trute truth ttttt tuell tuelt tuhte tukul tukur tulet tulku tulle tureh turek turel turet turku turle turre turtu turul turut tutee tutel tutku tutle tutte tuuru uh-ee uh-uh uhhuh uhler uhuru ukeke ukert ulker ullet ullur ultre ululu uluru urelu urkel urker urkut urtel urter urthe urtlu urutu uter- uthel uther utkhu utter uttur uturu uuuuu