Little is known of Beonna's life or his reign, as nothing in written form has survived from this period of East Anglian history.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Little is known of Beonna's life or his reign, as nothing in written form has survived from this period of East Anglian history. ### Response: .