How Many Four-Letter Words Can Be Made From the Letters E, A, N and M?

Four different four-letter words can be formed from the letters e, a, n and m if each of the letters is used only once: mane, amen, name and mean. A number of names that are not common in the English language can also be made from these letters.

The name "Mena" is used as both a surname and a given name in Spain and a number of Latin American countries. One famous example is actress Mena Suvari. "Nema" is a name of Arabic origin and also the name of a merchant community in central India. "Eman" is also a name of Arabic origin and is used as an abbreviated version of Emmanuel.