The Braille pattern dots-1234 ( ⠏ ) is a 6-dot braille cell with both top and all left-side dots raised, or an 8-dot braille cell with both top and both middle-left dots raised.
It is represented by the Unicode code point U+280f, and in Braille ASCII with P. In unified international braille, the braille pattern dots-1234 is used to represent a voiceless bilabial plosive, i.e.
[1] [1] Related to Braille pattern dots-1234 are Braille patterns 12347, 12348, and 123478, 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 2357, 12357, 23457, and 123457 are the patterns related to Braille pattern dots-1234, since the two additional dots of kantenji patterns 01234, 12347, and 012347 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-1234 for all 6349 kanji found in JIS C 6226-1978.