import random
import sys

count = 10
length = 7

if len(sys.argv) == 2:
    count = int(sys.argv[1])
if len(sys.argv) == 3:
    count = int(sys.argv[1])
    length = int(sys.argv[2])
if len(sys.argv) > 3:
    print ("WTF?!")
    sys.exit(1)
for i in range(count):
    s = ""
    for k in range(length):
        if k % 2 == 0:
            s = s + random.choice("bcdfghklmnprstvxz")
        else:
            s = s + random.choice("aeiou")
    print (s)