If any kind of docx to dst conversion is possible, it would be used for the purpose to turn some kind of text to embroidery design format. This should be doable and in this particular case you have to use software that supports Tajima format. CorelDRAW can be used with a special Tajima plugin, so this is perhaps the most convenient way how to achieve this, but there are most likely more.
Updated: May 25, 2023