for _ in range(int(input())):
    S = input()
    T = input()
    N = len(S)
    sg = [i for i in range(N) if S[i] == 'g']
    sd = [i for i in range(N) if S[i] == 'd']
    tg = [i for i in range(N) if T[i] == 'g']
    td = [i for i in range(N) if T[i] == 'd']
    if len(sg) != len(tg) or len(sd) != len(td):
        print("No")
        continue
    is_free_s = not sg or not sd or sd[0] - sg[-1] <= 2
    is_free_t = not tg or not td or td[0] - tg[-1] <= 2
    if is_free_s == is_free_t:
        print("Yes")
    else:
        print("No")