Vocabulary consisting only from characters you are able to read
八日
jouka
eight days, the eighth (day of the month)jlpt5, toki
十日
tooka
ten days, the tenth day of the monthjlpt5, toki
十五夜
džuugoja
night of the full moon/the night of the 15th day of the 8th lunar monthleda1
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki