efeler effere effete efreet efter- eleele elfern ellern ellett enfete enfree enleen enteer entent enter- entere entete entre- entree entrer erenet ernee errett eterne etteln feeler fellen feller felten felter feltre fennel fenner ferfel ferfer fernel ferner fernet ferrel ferren ferrer ferret fertee ferter fetter fettle fleete fletre fltten freele frefre frelte frenne frente freren fretel frette frllen fterer fterre leelee leerer leerne leetle leffel leffen lefter lenner lennet lenten lerner lerret letten letter lettre neener nefere nefert neffel nelnet nerrer netele nettel netter nettle ntelle r-tree re-let reefer reeffe reeler refeel refeet refeff refell refelt refert refete reflee reflet refnet refret refter releef relent reller renner rennet renren rentee renter rereel rerent reteer reteet retell retene retent retere retree retret rettel retter t-tree teener teetee teeter telefe telele telent telete telfer tellee tellen teller telnet tenent tenner tennet tenten tenter tentle tereen terene terete terner terrel terren terrer terret terter tertre tetele tetete tetter tntnet treene treete trefet trefle trefte trenel trenet trenle trenne trente tretee trette ttrent