eeee eees eefe eese eesi eeze efes effi effs efsi efze eiei eies eifs eise eiss esee eses esfs esie esis esse essi fees fefe feff fefi feie feis fese fess ffee ffff ffii ffss fief fies fiez fife fiff fifi fiii fise fisi fiss fisz fizz fsfi fssf ieie iesi ifes ifis iies iiie iiii iiis iisi isee ises isie isis isse issf issi isss izes izze s-ii se-e se-f se-i se-s se-z seef sees seez seff sefi seie seif seii seis sese sesi sess sfss sief sies sife siff sise sisi siss size sizz ssee sses ssis sssf sssi ssss szis szss zees zeff zeif zeis zeze ziff zisi zizi zizz zsss zzzs zzzz