import random


def make_humane_gibberish(length):
	"""Generate a meaningless but human-friendly string.
	
	Characters are chosen so that no two characters are alike.
	Easily confused characters, such as '1' and 'l' are also excluded.
	"""
	result = ''
	for i in range(length):
		result += random.choice('ACEFHJKNPQRTVXY34869')
	return result