represents two different, little-used letters found in separate dialects of Ancient Greek, which took the same shape by coincidence: Pamphylian digamma, used in Pamphylian Greek to represent in place of digamma , which was instead used for the novel phoneme ; it likely developed from Phoenician waw Tsan, used in the Arcadian Greek dialect of Mantineia, which probably represented the affricate (likely pronounced or ), akin to Attic and Cypriot ; it likely developed from (or alongside) san , from Phoenician tsade