Sho (letter) was a survival or reintroduction of the archaic Greek letter San. It closely resembles, perhaps coincidentally, a letter of the Greek-based Carian alphabet which may have also stood for . The name "sho" was coined for the letter for purposes of modern computer encoding in 2002, on the basis of analogy with "rho" (ρ), the letter with which it seems to be graphically related. Ϸ was added to Unicode in version 4.0 (2003), in an uppercase and lowercase character designed for modern typography. Sho (letter) The letter (sometimes called sho or san) was a letter added to the Greek alphabet
Esh (letter) Esh (letter) Esh (majuscule: Ʃ Unicode U+01A9, minuscule: ʃ Unicode U+0283) is a character used in conjunction with the Latin script. Its lowercase form ʃ is similar to a long s ſ or an integral sign ∫; in 1928 the Africa Alphabet borrowed the Greek letter Sigma for the uppercase form Ʃ, but more recently the African reference alphabet discontinued it, using the lowercase esh only. The lowercase form was introduced by Isaac Pitman in his 1847 Phonotypic Alphabet to represent the voiceless postalveolar fricative (English "sh"). It is today used in the International Phonetic Alphabet, as well as in