You can only change ONE letter, AND/OR rearrange the letters currently available. The first word is:
WINS
born
knob
snob
snub
stub
puts
bast
nonono only change one letter at a time
plus
LOL - Bad Gesine!
sump
slum
Upps, but now:
plum
plus
pull
lull
bull
full
fell
left
flit
tief (german for deep)
fief
fire
fine
kine