t = int(input())

for i in range(t):
    s = input()
    s1, s2 = '', ''
    if len(s)%2 == 0:
        s1 = s[: len(s)//2]
        s2 = s[len(s)//2 :]
    else:
        s1 = s[: len(s)//2]
        s2 = s[len(s)//2+1 :]
    l1 = list(s1)
    l2 = list(s2)
    l1.sort()
    l2.sort()
    s1 = str(l1)
    s2 = str(l2)
    if (s1 == s2):
        print("YES")
    else:
        print("NO")


