Vocabulary consisting only from characters you are able to read
三日
みっか
three days, the third day of the monthjlpt5, toki
土日
どにち
weekend, Saturday and Sundaymix
億
おく
(num) 100,000,000, hundred millionjlpt4
九日
ここのか
nine days, the ninth day (of the month)jlpt5, toki