[noun] + であれ + [noun] + であれ [na-adj] + であれ + [na-adj] + であれ
AであれBであれ means "whether A or B": what follows holds either way, so the difference between A and B does not count. であれ goes straight after each noun or な-adjective.
AであれBであれ belongs to formal writing and speeches. ああるAであろうとbBであろうと is an equally formal variant. In conversation, ああるAでもbBでも says the same thing.
These go beyond a pair of nouns.
The list can run on, with であれ after each item.
With a question word, one であれ is enough: なん何であれ is "whatever it is", だれ誰であれ "whoever it is".