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

deer :deer:

ride :mountain_biking_man:

dire

:pancakes: thank you IHop.

reed :saxophone:

read :closed_book:

dark :black_circle:

mark :heavy_check_mark:

hark

the herald angels :musical_note:

park :blue_car:

spar :boxing_glove:

pass :wink:

puss :smile_cat:

muss :barber:

miss :girl:

Siam.

Mass :vatican_city:

same :smile:

Acme :bomb:

aces :spades:

case :luggage: