Final answer:
The products that only come in 8 oz sizes are Coffee, Tea, Cola, Coffee ice cream, and Hot cocoa. Dark chocolate candy is the exception, available in 1.5 oz.
Step-by-step explanation:
According to the product list you've provided, the items that come exclusively in 8 oz sizes are the following: Coffee (8 oz), Tea (8 oz), Cola (8 oz), Coffee ice cream (8 oz), and Hot cocoa (8 oz). The only item that does not match this pattern is the Dark chocolate candy, which is available in a 1.5 oz size. This information is useful for understanding product packaging, inventory management, and consumer purchasing options.