You are a petite A-cup beauty, maybe 100 lbs dripping wet.  You can reach orgasm with my rough beast play.  Your skin reddens beautifully with my boar bristle brush.  Your screams when I slap your pussy are only muffled by my cock in your mouth.  Where are you?

No, Venn Diagram is not the name of a submissive Provider.  
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You can search TER Profiles for the physical parameters: height, etc., but not it's not easy to search subs that way.  
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Check out http://theartofsubmission.com/artists/ as a source of possibilities.
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The intersection of (height, weight, cup size ...) and (submissiveness ...) might be who you are looking for.  
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Good luck!