Four letter words--Change 0 to 1 letter to make a new word

bill :abacus:

pill :pill:

till.

lilt :notes:

tilt!

silt.

Tilt.

flit.

slit.

lost.

lust.

rust :red_car:

stir :spoon:

tire.

Erie.

tree :deciduous_tree:

here X

reed.

read!

dear :heart: