We decorated for the holidays this weekend. DS 6.5 is an only so we have lots of things in groups of 3. DS says, after hanging our three initials, that we can figure out how many combinations of words our initials make using factorials. So after giving DH the look that says omg did you hear that, I asked so how many combinations are there, he runs into his room to look it up and comes running back, yelling 6. Not your normal holiday convo, ok maybe here it is!

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