Crossword puzzle clue "pay attention to detail and homophonically what three pairs of puzzle answers do"

Pay attention to detail ... and, homophonically, what three pairs of puzzle answers do

They're pairs of pairs of pairs

Wicked ... and, homophonically, like five long puzzle answers

Word homophonically hidden in the eight longest puzzle answers

What narcs may do ... or what can literally be found in three pairs of puzzle answers

Famous last words (and homophonically, a hint to this puzzle's theme)

Official start of the Christmas season, according to protesters ... or, homophonically, an explanation of this puzzle's theme

Chemical reaction phenomenon, and what occurs in four symmetrical pairs of long answers in this puzzle