A vacation souvenir can be a great way to remember a special trip. Three letter solutions for a vacation souvenir include TEE, which stands for t-shirt, and TAN, which stands for tanning lotion. Six letter solutions include TSHIRT, which is another word for t-shirt, and eight letter solutions include TEESHIRT, which is a combination of the words t-shirt and shirt. All of these items are popular souvenirs that can be purchased or made as a reminder of a special vacation.