gistfile1.txt

same oh
big oh
hat oh
worm oh
mood oh
oh same
big same
hat same
worm same
mood same
oh big
same big
hat big
worm big
mood big
oh hat
same hat
big hat
worm hat
mood hat
oh worm
same worm
big worm
hat worm
mood worm
oh mood
same mood
big mood
hat mood
worm mood

worm.py

words = ['oh', 'same', 'big', 'hat', 'worm', 'mood']
for i, wi in enumerate(words):
    for j, wj in enumerate(words):
        if i != j:
            print(wj, wi)