San (letter) San (letter) San (Ϻ) was an archaic letter of the Greek alphabet. Its shape was similar to modern M, or ϡ, or to a modern Greek Sigma (Σ) turned sideways, and it was used as an alternative to Sigma to denote the sound . Unlike Sigma, whose position in the alphabet is between Rho and Tau, San appeared between Pi and Qoppa in alphabetic order. In addition to denoting this separate archaic character, the name "San" was also used as an alternative name to denote the standard letter Sigma. The existence of the two competing letters Sigma and San is
Hazing in Greek letter organizations if not all, hazing activities take place either during pledge (or “interest”) activities or rituals, which are almost always secretive. Additionally, since many Greek letter organizations, such as those governed by the National Pan-Hellenic Council (NPHC) and the National Association of Latino Fraternal Organizations (NALFO), prohibit their pledges (also known as “interests” or “new members”) from revealing their association with their organization until they have been initiated, it becomes increasingly difficult for institutions to reach out to members in anti-hazing efforts. It also becomes virtually impossible for these pledges or interests to reach out for help, especially if they wish