effere effete efreet efter- enfete enfree ennepe enteer entent enter- entere entete entre- entree entrep entrer epener erenet ernee errett eterne fene-p fenner ferfer ferner fernet ferren ferrer ferret fertee ferter fetter freepr frefre frenne frente freren frette fterer fterre neener neeper nefere nefert nerrer netter peepee peeper peerer peeter peetre peffer penett penner pennet penter pentre pepper perere perner pernet perpen perper perpet perree perren perret perter pertre peteet peten petree petrer petten petter pettet pppppp preent prefer prefet preffe preter pretre prette r-tree reefer reeffe reeper refeet refeff refert refete refnet refret refter renner rennet renpet renren rentee renter repent repete reppen repper repref rerent reteer reteet retene retent retere retree retret retter t-tree teener teepee teetee teeter tenent tenner tennet tenper tenten tenter tepper tereen terene terete terner terper terren terrer terret terter tertre tetete tetter tntnet treene treete trefet trefte trenet trenne trente treppe tretee trette ttrent