Were they born recently?
It sounds like one of THE standard sibsets of the 90s, late 90s that is.
I like
Emily and
Grace and I have a soft spot for
Abigail's ugliness but I hate
Abby.
McKayla is ugly to me but
Michaela or
Mikaela would have been alright.
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https://www.behindthename.com/pnl/6232