No, three holes (or two holes and a boundary, in 2D space) which cannot combine without fundamentally changing the topology. If you merge two of the holes, you no longer have pants, you have a skirt (or a boob tube, or a leg warmer, or a drinking straw)
owing to a bout of insomnia, and browsing the memes thread for some light relief, this has somehow resulted in me falling down a research wormhole culminating in reading PhD abstracts relating to traditional Korean Hanbok Baji trousers at 4am.
No, three holes (or two holes and a boundary, in 2D space) which cannot combine without fundamentally changing the topology. If you merge two of the holes, you no longer have pants, you have a skirt (or a boob tube, or a leg warmer, or a drinking straw)