ALT + H ingame : Take ID of apella. and sets do edit.
Open armorgrp.dat (file inside system folder).
Open it, alt+F to search the ID of apella.
Found it?
Alright, Copy all the thing sill u see the next ID.
Now, Search for the ID of the set u want to edit.
Paste the Copied part under the full line of the set u want to edit to,
Delete te line of the set and change IDs.
done.
Repeat for other armors.
Dont see how this can be that hard...