Potatoes are total starch.  So they must be broken down with an enzyme from either malted barley or hops. 

Rye

Sugar

Liqueurs are a category of alcoholic beverages that are typically sweet and often flavored with fruits, herbs, spices, flowers, nuts, or cream.

Schnapps is a type of distilled spirit that originated in Europe, particularly in Germany, Austria, and the Scandinavian countries.

TEQUILA AGAVE PLANT

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Scotch, also known as Scotch whisky, is a type of whisky that is specifically made in Scotland.

Brandy is a type of distilled alcoholic beverage made primarily from fermented fruit juice, most commonly grapes.