import sys
input = sys.stdin.readline

N=int(input())
S=[list(input().strip()) for i in range(N)]

# Rolling Hash
LEN=len(S)

p=26 # 文字の種類
mod=(1<<50)+1 # Hashがぶつからない, pと互いに素な数を適当に指定

MAX=0
for s in S:
    MAX=max(MAX,len(s))

CHECKLEN=[set() for i in range(MAX+1)]
POWP=[1]
for i in range(10**6+1):
    POWP.append(POWP[-1]*p%mod)

for s in S:
    LEN=len(s)
    
    score=0
    for i in range(LEN):
        score=(score+(ord(s[i])-97)*POWP[i])%mod

    if score in CHECKLEN[LEN]:
        print("Yes")
    else:
        print("No")

    CHECKLEN[LEN].add(score)

    for i in range(LEN-1):
        score2=(score-(ord(s[i])-97)*POWP[i]-(ord(s[i+1])-97)*POWP[i+1]+(ord(s[i+1])-97)*POWP[i]+(ord(s[i])-97)*POWP[i+1])%mod
        CHECKLEN[LEN].add(score2)