Vocabulary consisting only from characters you are able to read
三日
みっか
three days, the third day of the monthjlpt5, toki
中
なか
inside, middle, amongjlpt5
~中
~ちゅう
in (the middle of), within, during, whilejlpt5
七日
なのか
seven days, the seventh day of the monthjlpt5, toki