What I think "whatcanweuse" means:
FNAF 3 takes place in between 1 and 2. They just scrapped the toy animatronics. So they're thinking about what pieces they can use.
Yeep that's what I think.

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Derpy Enchilada (SECOND RANDOM BOOK)
RandomDerpy enchilada This is random book #2 It's continued from random book #1 Yeah