-ene -ine eeee eees eefe eefn eens eese eesi efen efes effi effs efsi eiei eien eies eifs eine eini eins eise eiss enee enes enif enin enis enne enni enns ense ensi esee esen eses esfs esie esin esis esne esse essi feen fees fefe feff fefi feie fein feis fene feni fenn fens fese fess ffee ffff ffii ffss fief fien fies fife fiff fifi fiii fine fini finn fins fise fisi fiss fsfi fssf ieie iens iesi ifen ifes ifis ifni ifns iies iiie iiii iiis iisi inee ines infi infs inis inne inni inns inse inss isee isen ises isie isin isis isse issf issi isss n-ii neef neei neen nees nefe neff nefi nefs neif nein neis nene neni nens nese nesi nesn ness nfff nief nien nies nife niff nine nini nins nise nisi niss nnes nnnn nnss nsfs nsin nsis nsse nssf nsss s-ii se-e se-f se-i se-n se-s seef seen sees seff sefi seie seif seii sein seis sene seni senn sens sese sesi sess sfne sfss sief sien sies sife siff sine sini sinn sins sise sisi siss snee snes snie snns ssee sses ssin ssis ssns sssf sssi ssss