Vocabulary consisting only from characters you are able to read
九日
ここのか
nine days, the ninth day (of the month)jlpt5, toki
火力
かりょく
heating power, steam powermix
三日
みっか
three days, the third day of the monthjlpt5, toki
水力
すいりょく
hydraulic power, water powermix
七日
なのか
seven days, the seventh day of the monthjlpt5, toki