you have to do in game things to unlock the door so... Giving the passwords wouldn't work
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Goldeen and chansey are the answers but it wont matter unless your character knows it.
The first password you will get from 2 team rocket grunts at mt ember (after you get national dex). Second is in dotted hole at island 6 when the man working for team rocket who meets you near the sapphire
go to dotted hole on six island to open dotted hole which is on the lower part of the island you must use cut on the door.
It is "Chansey naaahh..
6 island, dotted hole, use cut on door, then enter, go down hole, then each whole in this pattern, up, left, right, down. then a scientist runs off with it. rocket warehouse, 5 island, defeat the scientist at the end of there, and he gives it to you Modified!!!!!