Vocabulary consisting only from characters you are able to read
百
hyaku
(num) 100, hundredjlpt5
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix
一京
ichikyou
deset trilionůmix
億
oku
(num) 100,000,000, hundred millionjlpt4
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix