1NT-2
♣
2
♦
No 4 card major
2
♥
5+
♥
, 4
♠
, invitational
2
♠
5+
♠
, invitational
3
♥
♠
Smolen (5+ cards in other major)
2
♥
♠
4+ suit
2NT
4-4 majors, minimum
3
♣
4-4 majors, maximum