The answers are fear, surprise, and disgust.
Anxiety is not typically considered one of the six basic emotions identifiable from facial expressions. The basic emotions are those that are universally recognized and have distinct facial expressions.
Fear is one of the six basic emotions. It is universally recognized and has a distinct facial expression characterized by widened eyes and an open mouth.
Surprise is also one of the six basic emotions. It is characterized by raised eyebrows, wide eyes, and an open mouth.
Disgust is included among the six basic emotions. It is often recognized by a wrinkled nose and raised upper lip.
Confusion is not considered one of the six basic emotions. The six basic emotions are typically identified as happiness, sadness, fear, anger, surprise, and disgust.