Likes ...
Bed
Beef
Ace
Abe

Chick
Bill
Me
Alabama

Camel
Mime
Ball
Bag

Bib
Lad
Jack
Jill

Ice
Ham

But Dislikes ...
Cot   (for 2 reasons)
Fish   (for 1 reason)
King   (for 1 reason)
Zach   (for 1 reason)

Rooster   (for 6 reasons)
Tory   (for 4 reasons)
You   (for 3 reasons)
Elvis   (for 2 reasons)

Horse   (for 3 reasons)
Talker   (for 2 reasons)
Bat   (for 1 reason)
Box   (for 2 reasons)

Napkin   (for 3 reasons)
Lass   (for 2 reasons)
Zoey   (for 3 reasons)
Winston   (for 6 reasons)

Cream   (for 1 reason)
Pork   (for 3 reasons)

My friend likes words that are made up of only
letters from the first half of the alphabet:
A B C D E F G H I J K L M