Vocabulary consisting only from characters you are able to read
億
おく
(num) 100,000,000, hundred millionjlpt4
兆し
きざし
signs, omen, symptomsmix
百万
ひゃくまん
(1)1,000,000, one million, million, (2)many mix
一兆
いっちょう
1,000,000,000,000, one trillion, one billion (obs. British)mix
一京
いちきょう
deset trilionůmix
十億
じゅうおく
1,000,000,000, billion (American), (obs) milliard (British)mix
兆
ちょう
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix