Here’s a mnemonic puzzle for you. It’s an embellished (a few extra letters thrown in) and memoria sillabarum (combined selected syllables) style acronym that has been made into a visual sentence (acronyms surrounded by narrative logic). This is not a previously published mnemonic you Googlers!
A wooden slat is pushed underground using a lipo procedure to suck out all of the shrubs of the countryside.
Clues to come until someone gets the right answer.
Here’s the breakout for the slat, lipo, and shrub eastern border of NATO nations:
eStonia, LATvia, LIthuania, POland, Slovakia, Hungary, Romania, and Bulgaria.