2♦ waiting: bust, or no suit to bid, or 8+ HCP balanced
 
2♥ Kokish Relay 5+ hearts or 24+ HCP balanced
 
2♠ relay completed
 
2NT 24+ HCP, balanced. Response structure is the same as after 2NT opening
 
3♣ 5+ hearts, 4+ clubs
 
3♦ 5+ hearts, 4+ diamonds
 
3♥ 6+ hearts
 
3♠ 5+ hearts, 4+ spades
 
2♠ 5+ spades
 
2NT 22-23 HCP, balanced. Responder may pass with bust. Response structure is the same as after 2NT opening
 
3♣ unbalanced with clubs, might have a 4 card major.
 
3♦ Stayman
 
3♥/♠ 5+ major
 
3♦ unbalanced with diamonds, no 4 card major. Probably 6 diamonds, unless 1-3-5-4
 
3♥/♠ unbalanced with four hearts/spades and diamonds
2♥/♠ 8+ HCP, 5+ suit
3♣/♦ 8+ HCP, 6+ suit

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