First-Suit Relay Second-Suit

Spades : bid 1 1* Hearts : bid 1NT Hearts : bid 1 1NT* Diamonds : bid 2 Diamonds : bid 1NT 2* Clubs : bid 2+

Thus show your 1st-suit (, or by suit-order) and then show your 2nd-suit (, or also by suit-order).

Note that Clubs are shown by direct bids to 2+.

After Opener's relay, bid straight into the S2-Scheme from 2 upwards (or 2 if 3-suited with both Majors).