とめといて is this contracted?

[NicoleIsEnough]

In case you bump into more of these, it might be worthwhile checking out this thread as well:

Quick Contraction Reference

I thought I would write a quick reference to help people understand some contractions which I have found to be incredibly common in popular media and casual speech, but which most textbooks tend to gloss over or ignore. My hope is that I can save some of you from spending as much time as I did being puzzled over some of these. This isn’t a guide on when or how to use these forms (although as a general rule most of them are casual speech, some of them are only seen in fiction), it’s just a refer…