Vocabulary consisting only from characters you are able to read
兆し
きざし
signs, omen, symptomsmix
億
おく
(num) 100,000,000, hundred millionjlpt4
色々
いろいろ
(1)various, (2)(arch) various colors (colours) mix
一兆
いっちょう
1,000,000,000,000, one trillion, one billion (obs. British)mix