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