The third font on the second floor is unified, and the first and second characters come from different posts respectively.
To tell the truth, you'd better find a friend or classmate who is good at calligraphy to help you write one. Many fonts or online materials, even if the calligrapher is the same person, often show different styles because of different calligraphy posts, time and mood.
Send some combinations for your reference, but they may not be suitable: