1♥ - 2♣ -

2♦    =    waiting (in most cases, except if very distributional or if holds 4+ card ♠)    ➲

2♥    =    5+♥4+♠, 11-13, RE with  ♥ invitational hand then passes    ➲

2♠    =    GF, 5+♥4+♠    ➲

2NT  =    5+♥5♣ , 11-16    ➲

3♣    =    5+♥5♦, 11-13    ➲

3♦    =    5+♥5♦, 14-16    ➲