Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
せん 1,000, thousandjlpt5
八つ やっつ eightjlpt5
(num) fivejlpt5
十億 じゅうおく 1,000,000,000, billion (American), (obs) milliard (British)mix
二つ ふたつ twojlpt5