There is no contraction for this pair of words. If you aren't worried about using slang you might use the term 'got' instead: rather than: "Have you an xxx?" try "Got an xxx?"
The contraction of you have is you've.
There is no contraction for the words did you.
contraction of the words you will: you'll
There is no contraction for the words "did you".
The contraction for "we have" is "we've."
Didn't is a contraction of the words "did" and "not". There is no 'contraction' for this word.
Haven't is the contraction of have not.
contraction made in the words you will: you'll
The contraction is "I'll".
Contraction word made from the words they and are is they're.
I + will = I'll
contraction made from the two words you will: you'll