Please don't post your question on multiple threads.
There is no definitive list because everyone's situation is different depending on how you are meeting to financial, accomadation and relationship requirements. Plus you need proof that you have a wedding planned.
Have you read through FM 1.7? That will help you get understand what is needed to meet the financial requirement.
You can search the forum for document checklists to get an idea but remember your documents depend on your individual situation.