from time import sleep
a=" .-"
b=" -..."
c=" -.-."
d=" -.."
e=" ."
f=" ..-."
g=" --."
h=" ...."
i=" .."
j=" .---"
k=" -.-"
l=" .-.."
m=" --"
n=" -."
o=" ---"
p=" .--."
q=" --.-"
r=" .-."
s=" ..."
t=" -"
u=" ..-"
v=" ...-"
w=" .--"
x=" -..-"
y=" -.--"
z=" --.."
while True:
    print(r+e+d+l+i+g+h+t+o+n)
    sleep(1)
    print(r+e+d+l+i+g+h+t+o+f+f)
    sleep(1)
    print(g+r+e+e+n+l+i+g+h+t+o+n)
    sleep(1)
    print(g+r+e+e+n+l+i+g+h+t+o+f+f)
    sleep(1)