Complex sentence: The most intriguing fact about the Thaana alphabet is its order (hā, shaviyani, nūnu, rā, bā, etc.) doe snot follow the ancient order of the other Indic Scripts (like Sinhala or Tamil) or the order of the Arabic alphabet.
Split into simpler sentences: The most intriguing fact about the Thaana alphabet is its order (hā, shaviyani, nūnu, rā, bā, etc.). Its order doesn't follow the ancient order of the other Indic Scripts (like Sinhala or Tamil) or the order of the Arabic alphabet.