T = int(input())
report = []
for _ in range(T):
    S = input()
    N = input()
    count = 0

    for i in N:
        if i in S:
            count += 1
            S = S[S.index(i)+1:]
        else:
            break

    if len(N) == count:
        report.append("YES")
    else:
        report.append("NO")

[print(i) for i in report]