ah

oh

A short sound people make when they are surprised, or when they suddenly understand something.

huh

A short sound you make when you did not hear or understand, or to ask someone to agree.

what

Used to ask about a thing, or to mean the thing that.

know

To have information about something, or to be familiar with a person.

well

In a good way, or to a good standard.

aah

A long open sound people make when they feel relief, pleasure, or sudden fear.

eh

A short sound you make to ask someone to say something again, or to check that they agree.

um

A sound people make while they are thinking of what to say next.