Vocabulary consisting only from characters you are able to read
五日
いつか
five days, the fifth day (of the month)jlpt5, toki
七日
なのか
seven days, the seventh day of the monthjlpt5, toki
~中
~ちゅう
in (the middle of), within, during, whilejlpt5
中
なか
inside, middle, amongjlpt5