583 B | 583 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
k = "aeiouy"
k2 = "AEIOUY"
s = inp()
for i in s:
if i in k:
print(end=k[(k.index(i) + 1) % 6])
elif i in k2:
print(end=k2[(k2.index(i) + 1) % 6])
else:
print(end=i)
print()
if __name__ == "__main__":
tc = ii()
for t in range(tc):
solve()