How to solve Weaver fuck → slut in 7 moves.

There are many possible solutions to this word ladder. This particular ladder is guaranteed to be the shorted possible solution using official weaver words.

f
u
c
k
s
u
c
k
s
o
c
k
s
o
u
k
s
o
u
r
s
l
u
r
s
l
u
t