Vocabulary consisting only from characters you are able to read
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
黄金
おうごん
gold; (n,adj-no) gold; (n,adj-no) gold; goldmix
一兆
いっちょう
1,000,000,000,000, one trillion, one billion (obs. British)mix