ZGBG is surprising.
X is surprising.
EE is surprising.
AAB is surprising.
AABA is surprising.
AABB is NOT surprising.
BCBABCC is NOT surprising.
EEEK is NOT surprising.
ORDINARY is surprising.
SURPRISING is NOT surprising.
ABCDEFGCHIFJK is NOT surprising.
ABCDEFGHIJKLMYXWVUTSRQPONBA is surprising.
ABCDEFGHIJKLMBXWVUTSRQPONBA is NOT surprising.
DQABCDEFGHIJKLMNOPQRSTUVWXYZQQ is surprising.
DQABCDEFGHIJKLMNOPQRSTUVWXYZDQ is NOT surprising.
ABCDEFGHIJKLMNOPQRSTUVWXYZZYXWVUTSRQPONMLKJIHGFEDCBA is surprising.
ABCDEFGHIJKLMNOPQRSTUVWXYZEZFZYXWVUTSRQPONMLKJIHGFEDCBA is NOT surprising.