But
and  and uh works OK. Obviously it 's not perfect but um
Mm - hmm.
But the thing is that you can't  given the constraints of this task , we can't ,  in a very nice way , feed  forward to the recognizer the information  the probabilistic information that you might get about whether it 's voiced or unvoiced , where w we can't you know affect the   the uh distributions or anything.