The initial version of the alphabet consisted of 89 letters, 42 of which came from the phonetic alphabet proposed by Carl Jakob Sundevall.
[1] There are also a number of diacritics representing prosodic features.
[2] The alphabet has been used extensively for the description of Swedish dialects in both Sweden and Finland.
[2] It was also the source of many of the symbols used by the Swedish sinologist Bernhard Karlgren in his reconstruction of Middle Chinese.
[3] Three of the additional letters—ⱸ, ⱹ and ⱺ—were included in version 5.1.0 of Unicode (U+2C78 to U+2C7A) for use in a dictionary of Swedish dialects spoken in Finland.