1C - 1D - 1NT - 2S = ?
5+C (can be accepted with HHx in clubs)
1C - 1D - 1S - 1NT - 2D = ?
4=3=1=5, 15-17
1C - 1D - 2NT - 3C - 3H - 3S - 4D = ?
4=4=2=3 or 3=4=2=4, 18-19
1C - 1D - 1NT - 2H = ?
4H+4S, NF
1C - 1H - 1S - 2C - 2D - 3H = ?
COG with 5S, usually 5332
1C - 1H - 2S - 2NT - 3C - 4C = ?
1C - 1S - 2S - 3C = ?
1C - 1H - 2H - 3C = ?