How do I create manual ligatures?

Hello! I have a chord written with breve notes, however, it isn’t exactly easily readable in my opinion. I would like to replace it with whole notes connected via ligatures instead, but I haven’t found a way to do it. It looks like this now:
Thanks for any help with this!

Engraving Options–Notes:

Ah, this makes sense! Thanks for the quick reply!

Usual practice for square breves is to move the inner one to the right.

Put it in a difference voice, then you can move it independently of the others. .