Vocabulary consisting only from characters you are able to read
一京
ičikjou
deset trilionůmix
万
man
(num) 10,000, ten thousand, (adv) myriads, alljlpt5
億
oku
(num) 100,000,000, hundred millionjlpt4
一兆
iččou
1,000,000,000,000, one trillion, one billion (obs. British)mix
百京
hjakukjou
kvadrilionmix
百
hjaku
(num) 100, hundredjlpt5