base = 37
mod = 10**9 + 9
M = 10**6+2
pows = [1]*M
for i in range(1,M-1):
    pows[i] = pows[i-1]*base%mod


hash = [set() for i in range(M)]

n = int(input())
for _ in range(n):
    s = list(input())
    ls = len(s)
    

    num = 0
    for i,j in enumerate(s):
        k = ord(j)-ord("a")
        num += pows[i]*k
        num %= mod

    if num in hash[ls]:
        print("Yes")
    else:
        print("No")
    hash[ls].add(num)

    for i in range(ls-1):
        x = ord(s[i])-ord("a")
        y = ord(s[i+1])-ord("a")

        temp = num + (y-x)*pows[i]+ (x-y)*pows[i+1]
        temp %= mod
        hash[ls].add(temp)