How to autocomplete a word from suggested text when using physical keyboard?

When I am using a physical keyboard, there is a toolbar that appears while I am typing that displays 3 words of predictive text available to autocomplete as I am typing. Surely there must be a way to choose a word from the autocomplete list with a shortcut on the physical keyboard? Specifically, I would like to use the center word from the autocomplete list. It takes more time to remove my hand from the physical keyboard to click on the word from the autocomplete list than it does to just finish typing the complete word. See the following screenshot for and example of what I am talking about: In this screenshot, I would like to complete the word "their" using the center word in the autocomplete list without clicking on it. EDIT: This is on a Google Pixel 6 using Gboard.