Vocabulary consisting only from characters you are able to read
億
oku
(num) 100,000,000, hundred millionjlpt4
原
hara
field/plain/prairie/tundra/moor/wilderness/(P)leda1
黄金
ougon
gold; (n,adj-no) gold; (n,adj-no) gold; goldmix
急ぎ
isogi
haste, hurry, expedition, speed, dispatchjlpt3