The main problem as I understand is that although there are a thousand examples of Indus texts, the longest one is 17 characters. And there are no bilingual ins

The main problem as I understand is that although there are a thousand examples of Indus texts, the longest one is 17 characters. And there are no bilingual inscriptions. But I do wonder if there isn't a side channel, or just some way of doing it without requiring the usual necessary elements.