Vocabulary consisting only from characters you are able to read
百
hyaku
(num) 100, hundredjlpt5
一京
ichikyou
deset trilionůmix
億
oku
(num) 100,000,000, hundred millionjlpt4
万
man
(num) 10,000, ten thousand, (adv) myriads, alljlpt5
兆し
kizashi
signs, omen, symptomsmix