No. "Whatever" is a word in its own rite in English, as in "I can't let you do whatever you want".
However the use of "whatever" on its own as a reply to someone in the modern day you don't care about something (but you actually do and don't care to show it).
There is no contraction. The contraction we're means "we are."
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
There is no contraction of we'll. It is a contraction, meaning "we will."
There is no contraction. The word isn't is the contraction, meaning "is not."
There is no contraction for 'pram', it is a contraction of the word perambulator.
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
There is no contraction for "its not."There is a contraction for "it is" (it's).There is a contraction for "is not" (isn't).
He's already IS a contraction. It is a contraction of he is.
It's is the contraction of it has and it is.
There is no contraction. There is a contraction doesn't which means "does not."
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
There is no contraction. The contraction we're means "we are."
The contraction for he will is He'll
We're is a contraction of we are.
"They've" is the contraction for 'they' and 'have'.
The grammatical contraction for "have not" is "haven't."
Didn't is a contraction of the words "did" and "not". There is no 'contraction' for this word.