You can make 6 words from yes according to the Scrabble US and Canada dictionary.
All 3 letters words made out of yes
yes eys yse sye esy sey
Note: these 'words' (valid or invalid) are all the permutations of the word yes. These words are obtained by scrambling the letters in yes.
Definitions and meaning of yes
yes
Etymology
From Middle Englishyes, from Old Englishġīese(“by all means, of course, yes”), derived from the same root as yea.
Pronunciation
IPA(key): /jɛs/
Rhymes: -ɛs
Particle
yes
Used to show agreement or acceptance.
2016, VOA Learning English (public domain)
Hi, Jonathan. Are you busy? — Yes, I’m busy.
Used to indicate disagreement or dissent in reply to a negative statement.
(humorous)Answer to a question presuming one answer when all answers are correct.
Usage notes
In Old and Middle English, yes was a more forceful affirmative than yea.
An example of yes used to disagree with a statement: the questions "You don’t want it, do you?" and "Don’t you want it?" are answered by "yes" if the respondent does want the item, and "no" if not. Many languages use a specific word for this purpose; see translation table below.
Synonyms
Dialect or archaic forms: arr, ay, aye, yea, yassuh