[central_va]

“Port” has four letters and “left” has four letter.

[reformedliberal]

“Port” has four letters and “left” has four letter.
___________________

My mnemonic is:

‘Left at port.’

[moovova]

““Port” has four letters and “left” has four letter.”

Hah!. That was the little trick I had to use...when I was in the Navy! The only nautical term I still have firmly implanted in my brain...”the head”.