Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
百京 ひゃくきょう kvadrilionmix
四十 よんじゅう 40math
おく (num) 100,000,000, hundred millionjlpt4
よん fourjlpt5
十億 じゅうおく 1,000,000,000, billion (American), (obs) milliard (British)mix