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pennēmu

1. Not a pen name.

1. Was a pen name.

1. In the name of a pen name; Using a pen name

1. Pseudonym's; Of a pseudonym

1. Not a pen name.; It is not a pseudonym.

1. It's not a pen name.; I'm not using a pen name.

1. Was a pen name.

1. Pen name.; Pseudonym.

1. Is not a pen name.; Is not a pseudonym.

1. Wasn't a pen name.

1. Probably a pen name.

1. It was not a pen name.

1. It wasn't a pen name.

1. Pseudonym, likely.; Probably a pen name.

1. Was not a pen name.

1. If/when (my) pen name were…; If (it) were my pen name…

1. If/when it is a pen name; If/when it’s called a pen name

1. If/when using a pen name; As for a pen name