-ene -ine eeee eefe eefn efen effi eiei eien eier eine eini eire eirn enee ener enif enin enne enni enri erei eren erer erie erin erne erni erre feen feer fefe feff fefi feie fein feir fene feni fenn fere fern ferr ffee ffff ffii ffrr fief fien fier fife fiff fifi fiii fine fini finn fire firn free frei fren frie frin ieie iere ieri ifen ifer ifni ifnr ifrf ifri iiie iiii inee infi inne inni innr inre inri iree iren irer irfe iri- irie irin irne irre irri n-ii neef neei neen neer nefe neff nefi neif nein neir nene neni nere nerf neri nerr nfer nfff nief nien nier nife niff niir nine nini nire nnnn nren reef reen refe reff refi refn refr reif reii rein reir rene reni renn rere reri rfef rief rien rier rife riff riif riin rine rinf rinn rire riri rnie rnin rrif rrrr