"little gap" is a correct and usable phrase in written English.
It is generally used to describe a short gap or space. For example: "I found a little gap in the fence that we could squeeze through."
"Every little gap causes him tremendous headaches.
"I'd create my own little gap.
This is a society with little gap between public and private.
And behind the little gap I saw a solider pulling away a body.
Steve, there's a little gap in your filmography thanks to your dive into music.
And then we started making out through the little gap, and now he's here".
There are lots of little gaps in his life story.
"I think we started to get pulled around a little bit, and they were able to find these little gaps and little seams between the lines".
She was leaving a routine checkup when she mentioned the little gaps between some of her side teeth and the small chip off another.
"Everything we do, every movement of our body, our hands, our eyes can all become digital and will convey and fill in little gaps of information".
It stays close to my people, but now and then opens up little gaps where the author can insinuate himself – but hopefully not too obtrusively.
