eleuter et-tell felfree ferrell ferrere ferrule ferrure fertlet feruler fettler fleerer fleeter fluffer flutter freelte freeter fretful fretter fueller furrure futerer futrell futureu leffert leffler lefulle letrure lettere letterl lettret lletter lleufer lureful referee referer reflurt refrete reftele refuter releefe rerefer reteere reterre retrete rettert reutter ruffler teleut- tellur- teltele terelle terere terreer terrell terrere tettete treeful treelet treetee trefele treffle treflee trettle trettre trueful truffle truttle tuftlet tul-tul tulette tullett turrell turtler turtlet tut-tut tuteler uffelte utterer