Multiple columns hierarchical view

I’m trying to display my subcategories in a hierarchical view but can’t seem to figure it out with a formula rather than with pivot tables or scripts

What I have:

A     |B            |CEquity|International|aaaEquity|U.S.         |bbbBond  |U.S.         |cccEquity|Canadian     |ddd

What I’m trying to achieve:

AEquity   Canadian      ddd   U.S       bbb   International      aaaBond   U.S.      ccc