Vocabulary consisting only from characters you are able to read
億
oku
(num) 100,000,000, hundred millionjlpt4
兆
čou
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
百京
hjakukjou
kvadrilionmix
百万
hjakuman
(1)1,000,000, one million, million, (2)many mix
一京
ičikjou
deset trilionůmix
十億
džuuoku
1,000,000,000, billion (American), (obs) milliard (British)mix