You can only change ONE letter, AND/OR rearrange the letters currently available. The first word is:
WINS
wait
wart
warp (ed)
this game!
prow
rows
snow
wins
snip
nips
...an attempt to win the LOTP in the bud :P
naps
span
pans
snap
sand
send
sent
bent
best
beat
tube
abut
bust
dust
dusk