Homographs are words that are spelled the same but have different meanings and sometimes different pronunciations.
From the pairs you've provided:
- yes, no - Not homographs.
- yes, no - Not homographs.
- their, there - Not homographs (different spellings).
- their, there - Not homographs (different spellings).
- bat, bat - Could be homographs, but typically they have the same pronunciation and different meanings (e.g., a flying mammal and a baseball bat).
- bat, bat - Same as above.
- map, tap - Not homographs.
So, the pair that could be considered as homographs is bat, bat.