import re

s = 'George -wants to play 123_134 foot-ball in _123pantis FOOTBALL ελλαδα 123'

r = re.sub(r'(?:\b(?:\w+(?=-)|\w{2}|\d+|[A-Z]+|\w*[^\x01-\x7F]\w*)\b|-\w+)\s*', '', s).strip()

print ('<<{}>>'.format(r))