¿Any idea of why a code can pass all the tests except the test 6 ? I prove my code with this imput, and it works fine

7325189087
5
it
your
reality
real
our
4294967296
5
it
your
reality
real
our
213456
12
id
a
h
lm
aid
aidhlm
hl
m
dhlm
ai
aid
hlm
2017697240238123468420176972402381234684201769724023812346842017697240238123468420176972402381234684
7
azipmwpbgqadtjafhmth
azipmwpbgqadtjafhmth
azipmwpbgqadtjafhmth
azipmwpbgqadtjafhmth
azipmwpbgqadtja
azipmwpbgqadtjafhmthazipmwpbgqadtjafhmthazipmwpbgqadtjafhmthazipmwpbgqadtjafhmth
fhmth
27386428376
0
97854668689678768
3
dfgdfhjghjdggzash
dfgkjt
nkhhdfsge
11111111111
5
ij
jj
ji
j
i
1234567890
5
bdh
txo
bdhkmp
i
kmp
-1

the answer is :

reality our
No solution.
aidhlm
azipmwpbgqadtjafhmth azipmwpbgqadtjafhmthazipmwpbgqadtjafhmthazipmwpbgqadtjafhmthazipmwpbgqadtjafhmth
No solution.
No solution.
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