1♠-	11–15, 5+♠ or UNBAL 4=♠
1NT	NF, usually 8–11, 0–3♠
2♣!	NAT FG or INV 5–6♥
2♦	FG, 4+♦
2♥	FG, 5+♥
2♠	CONST, 3+♠
2NT!	FG, 4+♠
3♣	INV, 6+♣
3♦	INV, 6+♦
3♥	INV, S-SOL 6+♥
3♠	LIM, 4+♠
3NT!	Choice of games, 12–16, 33(43)
4X!	S/T SPL, 0–1#, 4+♠
4♠	S/O, 4+♠