List Listbox items in column by macro

[K]

Hi all, I got two listboxes on a spreadsheet and in those listboxes I
got data like (see below)

Listbox1 Listbox2
XX AA
VV XX
AA SS

etc………..

I need macro on a button which should match listbox1 items with
listbox2 items and then list matched items one time in column A and
list unmatched items as normal in column A. So the result in column A
should look like as below

A………..col
XX
VV
AA
SS

Please can any frined can help me on this.