You can only change ONE letter, AND/OR rearrange the letters currently available. The first word is: WINS
sift
spit
site
step
puts
plus
spun
nuts
guns
stun
gnus
sung
sing
gist
gust
gums
guts
gets
pits
pigs
pics
pyic
Wow - I'm impressed, Michael! Never heard of the word and had to look it up. :o) clip