Vocabulary consisting only from characters you are able to read
三日
mikka
three days, the third day of the monthjlpt5, toki
億
oku
(num) 100,000,000, hundred millionjlpt4
土木
doboku
public worksmix
色々
iroiro
(1)various, (2)(arch) various colors (colours) mix
黄金
ougon
gold; (n,adj-no) gold; (n,adj-no) gold; goldmix