effere effete effuse effutu efreet efter- efters erestu eresus eretes erfurt errest errett erster ersure essert essess esssse essure estees esters estree estres estrus estter esttes esture ettutu eutere f-test feeres feeses ferfer ferrer ferres ferret ferrur ferrus fertee ferter fesere fesser fesses fester festue festus fetter fettes feture feuter freers freese freest frefre freres fresse fresst frette fretts freure fruste fterer fterre fuerse fuerst fuerte furfur furrer furres furrfu fusees fusers fusser fusses fuster fustet fusure futret futter futtsu future r-tree re-use reefer reeffe reeser reeses reests refeet refeff refers refert refete reffus refret refter refuse refute rerees resees resets rester restes restte resues reteer retees reteet retere retest retree retret retter rettur returf returu retuse reuere reuser reuses reuter reutte rreuse rufete ruffer ruffes ruffet ruffus rufter rurutu rusetu russer russes russet russus rustre ruttee rutter see-er seesee serefe serere serers serest sereus serre- serres serret seruse sesser sesses sessue sester sestet sestre sestus setees seters setfee settee setter settsu settur seurre seurte sssfrs steere steers stere- sterer steres sterre sterte steure street stress strete struer struse strust struts strutt stufer stuffe stuffs stufre sturre sturts stutte suerte sueter suetes sufers suffer suffes suffet surest surete surfer sursee surses surtur susses suster sustre susure susurr suttee sutter suture t-test t-tree teerts teests teetee teeter terese terete terets tereus terrer terres terret terser terset tersus terter tertre tesser tesses testee tester testes tetete tetter treete treets trefet trefte tresse tresus tretee tretes trette truest truett trufte trusse truste trusts tsetse ttests tuffet tufter turfer turret turssu turtur tururu tusser tussur tutees tuteur tutter tuttut ufreet ureter urette uruffe uruses userer useter ussess usterr ustert usurer usures uterus uteute utters