Vocabulary consisting only from characters you are able to read
白黒
しろくろ
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
自明の理
じめいのり
self-evident truth, truism, axiommix
運転士
うんてんし
(1)driver, train driver, train engineer, motorman, taxi driver, (2)mate, (ship's) officer mix