The shape of Latin S occurs from Greek Σ by dropping 1 out on the 4 strokes of that letter. The (angular) S-form composed of three strokes existed like a variant on the four-stroke letter Σ previously from the epigraphy of Western Greek alphabets, and the a few and 4 https://s75308.ampblogs.com/a-review-of-bud-naked-mushrooms-68111292