Vocabulary consisting only from characters you are able to read
十億
džuuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
緑の日
midorinohi
(n) Greenery Day (national holiday; May 4)namae, toki
二人
futari
two persons, two people, pair, couplejlpt5
鼠
nezumi
(1)mouse, rat, (2)dark gray, dark grey, slate (color, colour); (3)mouse, rat, (4)dark gray, dark grey, slate (color, colour) doubutsu
土木
doboku
public worksmix