All of these can be used alone or at the beginning of a sentence: "Oops"- When you or someone else makes a mistake but mostly when you (yourself) makes the mistake. "Oh Huh" is also used when you or someone else makes a mistake. But like any situation, it may be impolite to point out someone elses mistake.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.