Trail mix bit is a snack made up of a combination of nuts, seeds, and raisins. The crossword solutions for the term trail mix bit are NUT (3 letters), SEED (4 letters), and RAISIN (6 letters). Nuts are a type of edible SEED that can be found in a variety of shapes, sizes, and flavors. Seeds are small, edible fruits that are often used as a source of nutrition. Raisins are dried grapes that are sweet and chewy. All three of these ingredients are commonly found in trail mix bits.