MANCHESTER, May 17 : West Ham United slipped perilously close to relegation after a bruising 3-1 Premier League defeat at Newcastle United on Sunday, a result that leaves their survival hopes hanging by a thread. Newcastle's William Osula struck twice and Nick Woltemade also scored, condemning West Ham to remain in 18th place on 36 points, two behind Tottenham Hotspur, who have a game in hand and can relegate the Hammers with a win over Chelsea on Tuesday. At Old Trafford, Manchester United's