Which of the following Assamese literature is Buddhist songs composed in the 8th to 12th centuries?

The Charyapadas, the Buddhist ballads of 8th-10th century some of whose composers were from Kamarupa and the language of which bear strong affitinities with Assamese (besides Bengali, Maithili and Oriya), are considered the first examples of Assamese literature. The spirit of the Charyapadas are found in later-day Deh-Bicaror Geet and other aphorisms; and some of the ragas found their way to the 15th-16th century Borgeets.