-tree c-tec ccccc ccell ccett ccrcl ccrel cctrl cech ceche cecht ceele ceere celer cell- celle celte cerc- cerce cerec cerer ceret cerre certe cette chech cheel cheer cheet chehr chel- chele chell chere cherl chert cheru chete cheth chett cheue chher chueh chuet chull chur- chure churl churr churt churu chute chuul cleer cleet clerc clere clete cleth clett clue- cluer clurr clute clutt crece creel creer crele crell crete cretu creu- creue creul crrel cruce cruel cruet crule crull crure cruth ctree ctrlc cttee ctulu cuche culch culet culle cullu culur curce curch curel curer curet curle curll curlu curre cutch cutcu cutee cuter cuthe cutle cuuel eccle echte ecthr eeeee eeler eetch ehret elche elect eleet elele eleut ellel eller ellet ellul elrec elulu eluru elute erech erect erere errtu erte ertel erter erthe eruct etche etchu etete ethel ether etree ettel etter ettle eturu eucre euell euhel euler eurel eurre he-he heche hecht hect- hecte heele heere heete hehte heler helle helre helte helth helue herce herel herle herre herte herth hertl hertu herur herut hetch heter hethe hette hetur heuch heuer heule heure heurt heute hheth hhhhh hluce hrcel hrere hthrt htree hucch huche hucul huere huete huhuh hulce hulch huleh huler hulle hureh hurel hurll hurre hurtt hurtu hutch hutte huttu huuru lecce leche leece leech leell leere leert lehel lehre leleu lelle lerch lerer letch lethe letre lette letur leuc- leuce leuch leuth lheuc lhtec lluch lucee lucet luche luchu lucre lucur luhte lulec luleh lulle lulte luluc lulul lurch lurer lurue lutch lute- luter lutte recce recet reche recht rect- recte recue recur recut reece reech reere reerh reeth reher rehet rehue relee relet relte relue rere- reree reret retch retee retel reter rethe rette reuel reuer reuet reule reute reuth rhett rucer ruche rucul ruehl ruele ruell ruere ruete rueth ruhle ruler rurec rutch ruteh ruter ruthe ruthu rutle rutte rutul ruule ruuth ruutu tcell tchuh tecch teche tecul teech teele teell teeth tehee telce tele- telec teler teleu tell- telle terce teret tereu terre tert- tetch tetel teter tethe tetle tetr- tette teuch teuhe thec- thect theel theer theeu thele ther- there therl thete theth theue thre- three thret threu thrue thuet thule thure thurl thurt thuru thute tlell tlett treer treet trele trere trete trett treut truce truch truel truer trule trull trute truth ttttt tucet tuche tucht tuctu tuech tuell tuelt tuhte tulce tulet tulle tureh turel turet turle turre turtu turul turut tutch tutee tutel tutle tutte tuuru u-cee uccel uccle ucell uchee ucheh uchte uchuu uclue uh-ee uh-uh uhecr uhhuh uhler uhuru ulcer ulche ullet ullur ultre ululu uluru urcel urech urelu urtel urter urthe urtlu uruce urucu urutu uter- uthel uther utter uttur uturu uuuuu