HELP ME ! ! !

HELP ME ! ! ! Hello guys. My stutter on a scale its 1.5/5 2.5/5 at maximum. I stutter on the beginning of the talking "S, SH, .." and when i see on people's eye.. Next week i have a god damn Speech in the university its like an exam i can't skip it .. i need help i have 6-10 days in my hand Heeeeelp.