Vocabulary consisting only from characters you are able to read
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki
八日
youka
eight days, the eighth (day of the month)jlpt5, toki
三日
mikka
three days, the third day of the monthjlpt5, toki
九日
kokonoka
nine days, the ninth day (of the month)jlpt5, toki