need help with baby names

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So, we are expecting in Dec. my husband and I are trying to find baby names that we both like, and it's really hard. I hate some of the names he can new up with and vice versa. We have been able to come up with a first mane for a boy and girl. But we can't decide on any middle names. I can't even pick any names that seem to go well with these first names. I've offered to give them no middle names since that's a thing too. But honestly I would prefer to have one and he really wants middle names for our kids. So I'm turning it over to you! What are some middle names that go with these first names.
Boy- Oscar
Girl- Isla