Vocabulary consisting only from characters you are able to read
十億
juuoku
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
日銀
nichigin
(abbr) Bank of Japan, BOJ, BoJmix
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki
億
oku
(num) 100,000,000, hundred millionjlpt4