I was wondering about that. But I don't think accent characters are intended for that. They don't seem to work for punctuation. We would have to use COMBINING D

I was wondering about that. But I don't think accent characters are intended for that. They don't seem to work for punctuation. We would have to use COMBINING DOT BELOW with a zero width space. "This looks bad​̣̋ Edit: Actually make that a space, maybe it's the proportional font "This looks still bad ̣̋