import random
def P9L(params,k):
    L = []
    for _ in range(k):
        L.append(params[random.randint(0,len(params)-1)])
    return L
alph="אABCDEFG"
Aim=P9L(alph,3)
A=[]
a=[]
for a1 in range(len(alph)):
    for a2 in range(len(alph)):
        for a3 in range(len(alph)):
            A.append([alph[a1],alph[a2],alph[a3]])
print(A)
for qwe in range(len(A)-1):
    if A[qwe][0] != Aim[0]:
        A[qwe] = [""]
    else:
        a.append(A[qwe])
print(a)
A = a
a = []
for qwe in range(len(A)-1):
    if A[qwe][1] != Aim[1]:
        A[qwe] = [""]
    else:
        a.append(A[qwe])
print(a)
A = a
a = []
for qwe in range(len(A)-1):
    if A[qwe][2] != Aim[2]:
        A[qwe] = [""]
    else:
        a.append(A[qwe])
print(a)