What are the letters for Gamma Sigma Sigma?

Answer:

Answer

One gamma and two sigmas (they're from the Greek alphabet).

http://ancienthistory.about.com/od/greekalphabet/Greek_Greek_Alphabet.htm

First answer by Surferpros. Last edit by Surferpros. Contributor trust: 340 [recommend contributor recommended]. Question popularity: 26 [recommend question].