PY01019 - KHOẢNG CÁCH KÝ TỰ

t = int(input())
for k in range(t):
	s = input()
	d = s[::-1]
	kt = 1
	for i in range(1,len(s)):
		e = ord(s[i])-ord(s[i-1])
		f = ord(d[i])-ord(d[i-1])
		kt&=(abs(e)==abs(f))
	print("YES" if kt else "NO")