formulas – Division of multiline cells into lines

I wish I could separate multiline cells into rows using a single command.

I tried to use the command
= transpose (split (A2, ""))

but when you try to add the tab key as a custom separator, that does not seem to allow me.
I've tried typing the words "tab", "shift" and "enter" in this custom separator field, but none seems to be doing the desired function.

It would help my job a lot, so I would really appreciate your help.

Custom separator

** Ideal start and end product **