Vocabulary consisting only from characters you are able to read
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
と金
tokin
Promoted pawn ("tokin")Shogi
億
oku
(num) 100,000,000, hundred millionjlpt4
二人
futari
two persons, two people, pair, couplejlpt5
兆し
kizashi
signs, omen, symptomsmix
万
man
(num) 10,000, ten thousand, (adv) myriads, alljlpt5