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 The alphabet was in use until the 17th century, when it was superseded by the Cyrillic script.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
Latin-script alphabet diacritics at the end of the alphabet, examples are the Danish alphabet, Swedish alphabet, Norwegian alphabet, and Finnish alphabet. Icelandic sorts some special letters at the end, as well as one letter with diacritic, while others with diacritic are sorted behind the corresponding non-diacritic letter. The phonetic values of graphemes can differ between alphabets. Latin-script alphabet A Latin-script alphabet (Latin alphabet or Roman alphabet) is an alphabet that uses letters of the Latin script. The 21-letter archaic Latin alphabet and the 23-letter classical Latin alphabet belong to the oldest of this group. The 26-letter ISO basic Latin alphabet contains the