def jjk(S, N):
    i = 0
    j = 0
    while i < len(S) and j < len(N):
        if S[i] == N[j]:
            i += 1
            j += 1
        else:
            i += 1
    return j == len(N)


T = int(input())
if 1<=T<=100:

    for i in range(T):

        S = input()
        N = input()

        result = jjk(S, N)

        if result:
            print("YES")
        else:
            print("NO")