Commonly used symbols as interjections:
* ! (exclamation mark): Indicates excitement, surprise, or emphasis.
* ? (question mark): Shows confusion, disbelief, or a rhetorical question.
* ... (ellipsis): Indicates a pause, suspense, or trailing off thought.
* :) (smiley face): Expresses happiness, amusement, or friendliness.
* :( (sad face): Indicates sadness, disappointment, or disapproval.
* :D (grinning face): Shows joy, excitement, or a big smile.
* :P (sticking out tongue): Expresses playfulness, teasing, or silliness.
* :/ (confused face): Shows confusion, skepticism, or uncertainty.
* O_O (wide eyes): Indicates shock, surprise, or amazement.
Other symbols can also be used as interjections, depending on context:
* * (asterisk): Can emphasize a word or phrase, or indicate a pause.
* - (dash): Can create a dramatic pause or break in a sentence.
* # (hashtag): Can be used to express a strong feeling or opinion.
Remember that the meaning of a symbol as an interjection can vary depending on the context and the intended meaning.