Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
十億 じゅうおく 1,000,000,000, billion (American), (obs) milliard (British)mix
九つ ここのつ ninejlpt5
じゅう (num) 10, tenjlpt5
きゅう ninejlpt5, mix
四つ よっつ fourjlpt5
四十 よんじゅう 40math
おく (num) 100,000,000, hundred millionjlpt4
よん fourjlpt5
百京 ひゃくきょう kvadrilionmix
(num) twojlpt5