1. all — owl

all
Samantha Sanders owl

2. cause — cows

Samantha Sanders cause
cows
 
"Cause" and "cows" are aw sound/ow sound minimal pairs.
 

3. dawn — down

Samantha Sanders dawn
Samantha Sanders down

4. drawn — drown

Samantha Sanders drawn
Samantha Sanders drown

5. fall — foul

fall
foul

6. gone — gown

Samantha Sanders gone
gown

7. gnaw — now

Samantha Sanders gnaw
Samantha Sanders now

8. hall — howl

Samantha Sanders hall
howl