Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
四つ よっつ fourjlpt5
十億 じゅうおく 1,000,000,000, billion (American), (obs) milliard (British)mix
しち (num) sevenjlpt5
dayjlpt4, toki
四十 よんじゅう 40math