Vocabulary consisting only from characters you are able to read
緑の日
みどりのひ
(n) Greenery Day (national holiday; May 4)namae, toki
白黒
しろくろ
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
水力
すいりょく
hydraulic power, water powermix
頭
かしら
(1)head/ (2)top/ (3)hair (on one's head)/ (4)top structural component of a kanji/(P) leda1