import random

translation_dict = {'aperivol@gmail.com': 'Aggelos',
                    'vasovlaha@gmail.com': 'Mama',
                    'darksaga2006@gmail.com': 'Xristos',
		    'lperivol@gmail.com': 'Mpampas',
                    'pperivolaropoulou@gmail.com': 'Persefoni'}

def shuffle_names(a, b):
    while any((va == vb for va, vb in zip(a,b))):
        random.shuffle(b)

givers = translation_dict.keys()
takers = givers[:]
shuffle_names(givers, takers)
for g, t in zip(givers, takers):
    print('echo "%s" | mail -s "Real Secret Santa giati jexasa tn Persa" %s'
          % (g, t))