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
Dots and Dashes have gone unchaperoned to the office at night. The villain would not have returned to discover the fate of the hero; he would lose no time in getting miles away from the scene of his crime. Dots and Dashes is well mounted." Aside from these "improbabilities" Walton of "The Moving Picture News" praised the film and the story after being critical of Morse code tapping being not accurate. Walton wrote, "The general public - excluding such cranks as I am - will enjoy your honest work." A reviewer for "The Moving Picture World", who saw the film at the studio,