-tree e-fit eeeee eerie eetti efere eferi efetf effer effet effie effry efrei efter eirie eiter eitri erere erier eriff erite errey erte erter etete etite etree etter ettie eyere eyrer eyrie eyrir eytie feere feier feiyr feret ferie ferit ferr- ferre ferri ferry ferte feter feti- fetii fetir fette feyer feyre fieee fieri fiery fifer fifie fifty firee firei firer firey firie firit firre firry fitit fitri fitte fitty freei freer freet freir freit frere frett freyr frier frite fritt fryer ftrtt fyffe fytte ieiri ierei iette if-- ifere iffet ifrit ifttt iiiee iiiii iitti irete irite irrit itete itfet itfit itire itter ittre ittti iyiyi iyyer reefe reeft reefy reere reeti refer refet reffe refit refry reiff reify rere- reree reret rerir retee reter retie retry rette reyff reyte ri-fi riefe rieti rifer riffy rifty riife ririe ryffe ryfte ryrie rytte ryyty teety tefe teffi teret terif terre terri terry tert- teter tetr- tetri tette tetty teyre ti-ti tieit tiere tieri tiffe tiffy tifty tiree tirer tiret tirit titer titii titre titte titti titty treer treet treey trefe treff treie treif treit trere treri trete trett trety treye treyf triei trier triet trife trit- trite tritt tryer tryit tryte ttttt tyere tyfei tyffe tyree tyrer tyret tyrie tytte ye-ye yeere yeffe yefft yefte yeire yerfi yerri yeter yette yeyre yfere yfree yfret yieft yiffy ytter yyete