Navajo Braille

Additional letters, beyond those of English braille, are ⠹ for ł, ⠄ for ' (glottal stop and ejective consonants), the French vowels with grave accents for the Navajo vowels with acute accents (high tone), and ⠨ for ogonek on the following vowel (nasal vowels, e.g. ⠨⠁ for ą, ⠨⠷ for ą́). ⠋ is only used for the digit 6, as the letter 'f' does not exist in the Navajo alphabet.

In numerical order by decade, the letters are:

The alphabet was created by Carol Begay Green and adopted by the Navajo Nation in 2015.