Generate similar names.

simNames.py

import itertools

def simNames(name):
    elements = []
    for ch in name:
	if ch == '0' or ch == 'o':
	    elements.append(['0', 'o'])
	elif ch == '1' or ch == 'i' or ch == 'l':
	    elements.append(['1', 'i', 'l'])
	else:
	    elements.append([ch])
    return [''.join(chars) for chars in itertools.product(*elements)]