Compare the numbers digit by digit, starting from the ten-thousands place.

Ten-thousands digits: 8, 8, 8, 8. Numbers with the same ten-thousands digit are further compared at the thousands, hundreds, tens, and ones places.

From smallest to largest:
• 81596 (smallest)
• 81965
• 85196
• 85619 (largest)

Final Answer: 81596, 81965, 85196, 85619