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Insular form of the letter S (Ꞅ)
The letter Ꞅ (minuscule: ꞅ) is an Insular script form of the letter S. The uppercase is encoded in Unicode at U+A784 , and the lowercase is encoded at U+A785 .
Insular "s"Evolution of the Insular s from sigma: ς-s-ʃ-ſ-ꞅ
It should not be confused with the long-legged r, U+027C ɼ LATIN SMALL LETTER R WITH LONG LEG, which is an obsolete IPA symbol.
