The Braille pattern dots-234 ( ⠎ ) is a 6-dot braille cell with the top right, and middle and bottom left dots raised, or an 8-dot braille cell with the top right and both middle left dots raised. It is represented by the Unicode code point U+280e, and in Braille ASCII with S.
In unified international braille, the braille pattern dots-234 is used to represent a voiceless alveolar fricative, ie /s/.
Related to Braille pattern dots-234 are Braille patterns 2347, 2348, and 23478, which are used in 8-dot braille systems, such as Gardner-Salinas and Luxembourgish Braille.
In the Japanese kantenji braille, the standard 8-dot Braille patterns 357, 1357, 3457, and 13457 are the patterns related to Braille pattern dots-234, since the two additional dots of kantenji patterns 0234, 2347, and 02347 are placed above the base 6-dot cell, instead of below, as in standard 8-dot braille.
This listing includes kantenji using Braille pattern dots-234 for all 6349 kanji found in JIS C 6226-1978.