I'm not so sure about that. The leading "for" stands on its own without the e.g. e.g., with some additional punctuation: I like to run for the bus. I like to

I'm not so sure about that. The leading "for" stands on its own without the e.g. e.g., with some additional punctuation: I like to run for the bus. I like to run for, for example, buses, cars and airplanes. I like to run for e.g. buses, cars and airplanes. A little tortured but possibly valid.