Ok there is a patten to this, but can you see it? Don't just look in the spoiler tags for the answer try to figure it out first :D
"I like glass but I don't like windows"
"I like walls but I don't like ceilings"
"I like bells but I don't like noise"
"I like stools but I don't like tables"
"I like wheels but I don't like tires"
Have you got the answer?
If not check the spoiler tags :)
At least one of the words has a double of the same letter in it!