Vocabulary consisting only from characters you are able to read
兆
ちょう
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
白黒
しろくろ
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
一兆
いっちょう
1,000,000,000,000, one trillion, one billion (obs. British)mix