794 B | 794 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
BLANK = " "
#inp = input
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def f(a, b):
if len(a) > len(b):
return False
if b[:len(a)] == a:
return True
if b[-len(a):] == a:
return True
return False
def solve():
l = [input() for _ in range(3)]
for i in range(3):
for j in range(3):
if i == j:
continue
if f(l[i], l[j]):
p("No")
return
p("Yes")
if __name__ == "__main__":
tc = ii()
for t in range(1, tc+1):
ret = solve()