Old Permic alphabet by usual writing. The inclusion of the latter aided the alphabet in greater acceptance among the medieval Permic speakers of the time. The alphabet was in use until the 17th century, when it was superseded by the Cyrillic script. Abur was also used as cryptographic writing for the Russian language. April 26, which is the saint's day of Stephen of Perm, is celebrated as Old Permic Alphabet Day. The Abur inscriptions are among the oldest relics of the Uralic languages. Only one of them has earlier documents: Hungarian, which had been written using the Old Hungarian script first before the
Lao alphabet Lao alphabet Lao script or Akson Lao (Lao: ອັກສອນລາວ ) is the primary script used to write the Lao language and other minority languages in Laos. It was also used to write the Isan language, but was replaced by the Thai script. It has 27 consonants (ພະຍັນຊະນະ ), 7 consonantal ligatures (ພະຍັນຊະນະປະສົມ ), 33 vowels (ສະຫລະ ), and 4 tone marks (ວັນນະຍຸດ ). The Lao alphabet was adapted from the Khmer script, which itself was derived from the Pallava script, a variant of the Grantha alphabet descended from the Brahmi script, which was used in southern India and South East