I cbf to record myself humming it or something but it's a 2 note melody (with note B being the higher pitched) that goes
A B AAB AABA AB
Edit: I don't know if all the wildly different and incorrect replies are a bit, or if this post really is just that vague, but here it is hummed https://voca.ro/17WHcwM48PVa
deleted by creator
I guess like
A B AA B AABA AB
it's pretty fast too, this little snippet is like 2 seconds long