Alicornutopia

If you thought you knew what this round would be, you were almost certainly wrong.

E
F
G
H
I

AA
AAA
AAAA
AAAAA
AAAAAA

You broke you streak of all yeses. :<

Yes: E, F, G, H, I, AAAA, AAAAAA
No: AA, AAA, AAAAA

All yes gives less information per guess.

J
K
L
M
N

AAAAAAA
AAAAAAAA
AAAAAAAAA
AAAAAAAAAA
AAAAAAAAAAA

I guess that only my sixth and last guesses here will be no.

You are indeed correct!

Yes: J, K, L, M, N, AAAAAAAA, AAAAAAAAA, AAAAAAAAAA
No: AAAAAAA, AAAAAAAAAAA

O
P
Q
R
S

BB
BBB
BBBB
BBBBB
BBBBBB

Yes: O, P, Q, R, S, BBBB, BBBBBB
No: BB, BBB, BBBBB

Would BBBBBBBBBBBBBBBB be BB-8 or B-16?

Obviously both, which (by transitivity) means that some droids are actually airplanes.

T
U
V
W
X
Y
Z

aa
aaa
aaaa
aaaaa

Yes: T, U, V, W, X, Y, Z, aaaa
No: aa, aaa, aaaaa