def reduce(S):
    N = len(S)
    if N < 4:
        return S
    T = "".join(sorted(S[i:i+2] for i in range(0, N - 1, 2)))
    if N % 2 == 1:
        T += S[-1]
    S = T[::-1]
    T = "".join(sorted(S[i:i+2] for i in range(0, N - 1, 2)))
    if N % 2 == 1:
        T += S[-1]
    return T

for _ in range(int(input())):
    S = input()
    T = input()
    if reduce(S) == reduce(T):
        print("Yes")
    else:
        print("No")