What word in the English language does the following: The first twoletterssignify a male, the first three letterssignify a female, the first four letterssignify a great man, while the entire word signifies a great woman. What is the word?
Pronounced as one letter, And written with three, Twoletters there are, And two only in me. I'm double, I'm single, I'm black, blue, and gray, I'm read from both ends, And the same either way. What am I?