```python
from typing import List, Tuple, Dict

def reserve_lots(lots: List[Tuple[int, str, int]], orders: List[Tuple[int, int]]) -> Dict[str, List[Tuple[int, int, int]]]:
    """
    Reserves lots for orders based on earliest use-by date and lot id.
    
    :param lots: List of tuples (lot_id, use_by_date, units_on_hand)
    :param orders: List of tuples (order_id, units_wanted)
    :return: Dictionary with keys 'picks' and 'short', containing lists of draws and shortfalls respectively.
    """
    # Sort lots by use-by date and then by lot id
    lots.sort(key=lambda x: (x[1], x[0]))
    
    picks = []
    short = []
    
    for order_id, units_wanted in orders:
        for lot_id, use_by_date, units_on_hand in lots:
            if units_on_hand > 0:
                units_taken = min(units_wanted, units_on_hand)
                picks.append((order_id, lot_id, units_taken))
                units_wanted -= units_taken
                if units_wanted == 0:
                    break
        if units_wanted > 0:
            short.append((order_id, units_wanted))
    
    return {'picks': picks, 'short': short}
```