Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
(num) fourjlpt5, mix
おく (num) 100,000,000, hundred millionjlpt4
まん (num) 10,000, ten thousand, (adv) myriads, alljlpt5
ちょう (1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
四十 よんじゅう 40math