e-i-e-i- e-series eesterus effusers erezee ess-tset essertes esterize estruses euresist eustress eutresis fee-fees feirefiz feistier ferreter ferrette ferretti ferriere ferrites ferrurie fetterer feuterer fieriest fir-tree fire-set firesets firesuit firetest firrette firstest firsties firsttee firtrees fissures fizziest freeseer freesite freester freezers freezest freezies fressies fretters frettest frettir friezers frisette friseurs friterie fritters frizette frizzier frizzies fruiters fruitier fruitist fruitset fruiture furfures furifuff furifuri furriers furriest fursuits fussiest fusterer fustiest futurise futurist futurize fuzziest i-ii-iii isistius isittrue isturits re-fuses re-tries re-users referees referers referree referrer refitter refreeze refusers refusest refuters refutest reifiers reiserfs reissuer reissues rerefers rerefief reseiser reseizer reseizes resetter resister resizers restiest restiffs restitue restress restuffs resuffer retirees retirers retirest retretti reutters rierreef riffiest ritesite ritziest rusesti rustiest ruttiers ruttiest s-series seissure seizures serretes sestette sestiere setsfree siruseri sissiest sizeists steerers steerest stefesti sterrett sterritt steti stiffest stiffies stirrers stirrest streeter stresses strutter stuffers stuffest stuffier stuffies stuffure sturtite stutters stutzite suessite sufferer suffetes suffrete suffuses suiterer suitress surefire suresure sureties surfeits surfiest sussurus susurrus suzettes t-series t-street teffites terester terestr- terriers terrifie territet teruteru terzetti terziere testfire testiere testiest testitis testsite tirsitei titterer treefree treesize treetise treffurt trefrize treittie tresette tressure tretises trezerer treziers tri-fest triester triftsee trisette trissett triturus trussers trussure trusteer trustees trustest trustier trusties tsiistre tsrister tsuzetsu tufestii tuftiest turfiest turfites turriers turritis tzitzits userfees usersfee ustrzesz usufruit uteritis uteruses utterers utteress utterest z-series zeisters zestiest zittiest