Is 'To Creep' Separable or Inseparable? - Phrasal Verb Quiz

Quiz for Verb: 'To Creep'

Is the phrasal verb 'To Creep' separable or inseparable in the following examples?

'Creep into' - Become noticeable in something

'Creep in' - Start to be noticeable

'Creep over' - Start to have a negative feeling

'Creep up on' - Approach without someone realising

'Creep out' - make someone feel worried or uneasy

'Creep in' - Get included despite attempts to keep it or them out

'Creep out on' - To do the same activity for a very long time