e-i-e-i- efferent enfetter entrefer etifenin feifteen ferreter ferrette ferretti ferriere ferritin fetterer fir-tree firrette free-net freerein frenette frettir friterie i-ii-iii inferent infernet inferrer infetter infinite infiniti internee internet interrer intertie neritine nientene ninefeet nineteen ninetiet nirrti re-enter re-entre re-inter referent referree referrer reffrein refitter reinette renitent renterer rentfree rerefief retinene retinite retretti rierreef rinneite teineite tenerife teniente tenterer terenite terenten terrifie territet tetrinet tinnient titterer treefern treefree treffrin treittie treneere trenette trentine trentini triftern triniti trinitr- trinneer