ห๊ะ

huh?; eh?

Expresses sudden puzzlement or surprise rather than usually asking someone to repeat.

Huh? What?

Usually sounds softer and less startled when asking someone to repeat.

Huh? What?

A softer, less startled way to signal that something was not heard.

What did you say?

Explicitly asks what was said and is usually less abrupt than a bare ห๊ะ.

huh?; eh?

Expresses puzzled surprise or sudden doubt rather than a startled request to repeat something.

eh; huh; hmm

A softer, often drawn-out expression of surprise or puzzlement.