You’re = You are.
Example: You’re so funny.
Your = It belongs to you.
Example: Your house is so nice.
They’re = They are
Example: They’re so awesome.
There = A place
Example: Let’s go there for dinner.
Their = It belongs to them
Example: Their website is easy to navigate.
Two = The number 2
The two of us are going to dinner.
To = Indicates motion
Let’s go to dinner.
Too = Also or excessively
That music is too loud.