acro_iter.py

from itertools import permutations
from typing import Generator, List

def gen(s: List[str]) -> Generator:
	for i in permutations(s, len(s)):
		yield list(i)

def acro(a:List[str]) -> Generator:
	for i in gen(a):
		firsts:List[str] = []
		for item in i:
			firsts.append(item[0])

		yield firsts, i

if __name__ == '__main__':
	a = ['PostgreSQL', 'Go', 'HTMX', 'Linux']

	for i in acro(a):
		a, b = i
		print("".join(a),  " ".join(b))