Search Feature and 3-letter words

Can we add “key” to the list of approved 3-letter words for the search feature?
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There have to be four characters for search terms to be used, but here’s a trick:

If you want to search for a three-letter word, add a leading or trailing space and enclose it in quotes, or in the case of “key code,” enclose both words in quotes. For example, try these in the Search box:

"key "

or

"key code"