Braille pattern dots-12356

The Braille pattern dots-12356 ( ) is a 6-dot braille cell with the top left, both middle, and both bottom dots raised, or an 8-dot braille cell with the top left, both upper-middle, and both lower-middle dots raised. It is represented by the Unicode code point U+2837, and in Braille ASCII with the open parenthesis: (.
Unified Braille.
In unified international braille, the braille pattern dots-12356 is used to represent a voiced pharyngeal fricative, i.e. /ʕ/, or otherwise as needed.
Plus dots 7 and 8.
Related to Braille pattern dots-12356 are Braille patterns 123567, 123568, and 1235678, which are used in 8-dot braille systems, such as Gardner-Salinas and Luxembourgish Braille.
related 8-dot kantenji patterns.
In the Japanese kantenji braille, the standard 8-dot Braille patterns 23678, 123678, 234678, and 1234678 are the patterns related to Braille pattern dots-12356, since the two additional dots of kantenji patterns 012356, 123567, and 0123567 are placed above the base 6-dot cell, instead of below, as in standard 8-dot braille.
Kantenji using braille patterns 23678, 123678, 234678, or 1234678.
This listing includes kantenji using Braille pattern dots-12356 for all 6349 kanji found in JIS C 6226-1978.