Not Like the Others: Challenge 2: Hint

To tell you the truth, based on the submissions we’ve received so far, it doesn’t look like anyone out there actually needs a hint in order to solve this week’s challenge. But, because a promise is a promise, here’s a hint for Challenge 2:


Per-fect, per-petual, per-pendicular, per-sonal, per-


OK, so maybe it’s not much of a hint. But, as we noted, it’s not like you really need it or anything.


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