Yes and no are both one syllable.
Yes it has one syllable.
Yes it has one syllable.
Yes it is one syllable. Every word has at least one syllable.
Yes it has one syllable.
Yes, dries has one syllable.
Yes, dried is one syllable.
Yes. It is a one syllable word.
Why Yes, "what" is a word with one syllable.
Yes, "rock" has one syllable.
Yes, the word "the" has one syllable.
Yes, coins is one syllable.
No, the word "hues" has one syllable.