Vocabulary consisting only from characters you are able to read
いつの間にか
いつのまにか
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
中
なか
inside, middle, amongjlpt5
別々に
べつべつに
separately, apart, severally, individuallyjlpt3
外
ほか
other place, the restjlpt5