[Python] How to create a table with empty cells?

When using Manim, how to create a table such that in the first row there are letters of the word "HELLO", and in the second row there are empty cells?

Python code:

t3 = Table(
[["H", "E", "L", "L", "O"],
[" ", " ", " ", " ", " "]], include_outer_lines=True,
line_config={"stroke_width": 5, "color": BLUE}, v_buff = 1.3).scale(0.8)

self.play(FadeIn(t3, run_time=2))


My result:



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