What this puzzle's theme answers contain (if you look closely enough)

Question:

Answer:

SUBLIMINALADS

Length:

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Each of the titles in this puzzle's theme answers, e.g.
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What this puzzle's theme answers start with
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Surplus integral to this puzzle's theme answers
Easy, and what this puzzle's theme answers literally are
Upright, and what's been removed to form this puzzle's theme answers
ConfuseÂ—or what to do to four common phrases to form this puzzle's theme answers
Struck out, as one letter in each of this puzzle's theme answers
Second letters of this puzzle's five theme answers (seen in order)
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Numerator for this puzzle's theme answers
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