Vocabulary consisting only from characters you are able to read
億
oku
(num) 100,000,000, hundred millionjlpt4
百万
hjakuman
(1)1,000,000, one million, million, (2)many mix
白黒
širokuro
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
黄金
ougon
gold; (n,adj-no) gold; (n,adj-no) gold; goldmix