PY01019 KHOẢNG CÁCH KÝ TỰ.py

def check():
    s1 = input()
    s2 = s1[::-1]
    for i in range(1, len(s1)):
        if abs(ord(s1[i]) - ord(s1[i-1])) != abs(ord(s2[i]) - ord(s2[i-1])):
            return False
    return True

for test in range(int(input())):
    print("YES" if check() else "NO")