The best combination for cucumber dosa is a variety of chutneys or curries. Here are some popular choices: - Coconut Chutney - Tomato Chutney - Pickle - chicken ghee roast - chicken chettinad curry - Malabar chicken curry, etc. Remember, the best combination is subjective, and you can always experiment with different chutneys, curries, and sides to find what suits your taste preferences the most.