Would my username be considered professional if I use the first 3 letters of my first name and the initials of my last name?

On this site I'm trying to sign up at most of the different spellings and ways for my name is taken. I deleted my last profile on it that had both of my full names because my name was a bit long and I wanted to make it shorter, and I can only reuse that name if not in use after a few months.
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Not girlsaskguys. "This site" as in the site I'm going to signup on.
Would my username be considered professional if I use the first 3 letters of my first name and the initials of my last name?
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