Morse code encoded the same way (A, O, E, I, T, M, N, R, K, etc.). Bulgarian alphabet contains 30 characters, which exactly match all possible combinations of 1, 2, 3, and 4 dots and dashes. Russian requires 1 extra character, "Ы" which is encoded with 5 elements. During early World War I (1914–1916), Germany briefly experimented with 'dotty' and 'dashy' Morse, in essence adding a dot or a dash at the end of each Morse symbol. Each one was quickly broken by Allied SIGINT, and standard Morse was restored by Spring 1916. Only a small percentage of Western Front (North Atlantic
Braille pattern dots-1 Braille pattern dots-1 The Braille pattern dots-1 ( ) is a 6-dot or 8-dot braille cell with the top left dot raised. It is represented by the Unicode code point U+2801, and in Braille ASCII with "A". In unified international braille, the braille pattern dots-1 is used to represent open, unrounded vowel sound, like /æ/ or /ɑ/, such as the Latin letter A, Greek alpha, Cyrillic А, Hebrew/Arabic aleph, etc. It is also used to signify the number 1. Related to Braille pattern dots-1 are Braille patterns 17, 18, and 178, which are used in 8-dot braille systems, such as