S̩ (

minuscule Letter case is the distinction between the letters that are in larger uppercase or capitals (or more formally ''majuscule'') and smaller lowercase (or more formally ''minuscule'') in the written representation of certain languages. The writing ...

: s̩) is a letter of the

Latin alphabet The Latin alphabet or Roman alphabet is the collection of letters originally used by the ancient Romans to write the Latin language. Largely unaltered with the exception of extensions (such as diacritics), it used to write English and the o ...

, formed from S with the addition of a vertical line below it. It is used in

Yoruba The Yoruba people (, , ) are a West African ethnic group that mainly inhabit parts of Nigeria, Benin, and Togo. The areas of these countries primarily inhabited by Yoruba are often collectively referred to as Yorubaland. The Yoruba constitute ...

to represent the sound (like English "sh"). The line is sometimes replaced by a dot, i.e. Ṣ ṣ. is also the

International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic transcription, phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standa ...

symbol for a

syllabic Syllabic may refer to: *Syllable, a unit of speech sound, considered the building block of words **Syllabic consonant, a consonant that forms the nucleus of a syllable *Syllabary, writing system using symbols for syllables *Abugida, writing system ...

"s" sound.

Computer encoding

Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology Technical standard, standard for the consistent character encoding, encoding, representation, and handling of Character (computing), text expre ...

does not include

precomposed character A precomposed character (alternatively composite character or decomposable character) is a Unicode entity that can also be defined as a sequence of one or more other characters. A precomposed character may typically represent a letter with a diacri ...

s for S̩ s̩ — they should be represented with a

combining character In digital typography, combining characters are characters that are intended to modify other characters. The most common combining characters in the Latin script are the combining diacritical marks (including combining accents). Unicode also ...

, which may not align properly or may display as squares in some

fonts In metal typesetting, a font is a particular size, weight and style of a typeface. Each font is a matched set of type, with a piece (a "sort") for each glyph. A typeface consists of a range of such fonts that shared an overall design. In mode ...

. Nevertheless, the sequence of base character + combining diacritic is given a unique name. In Unicode: * S̩: + * s̩: + {{DEFAULTSORT:S Latin letters with diacritics