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
七日
なのか
seven days, the seventh day of the monthjlpt5, toki
一京
いちきょう
deset trilionůmix
鼠
ねずみ
(1)mouse, rat, (2)dark gray, dark grey, slate (color, colour); (3)mouse, rat, (4)dark gray, dark grey, slate (color, colour) doubutsu
兆
ちょう
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
赤み
あかみ
reddish tinge/tinge of red/slight redness/blushmix
一兆
いっちょう
1,000,000,000,000, one trillion, one billion (obs. British)mix
緑の日
みどりのひ
(n) Greenery Day (national holiday; May 4)namae, toki
黄金
おうごん
gold; (n,adj-no) gold; (n,adj-no) gold; goldmix
万
まん
(num) 10,000, ten thousand, (adv) myriads, alljlpt5