1.Nh3 f6 2.Nc3 Nh6 3.Nd5 e6 4.c3 Ng4 5.f3 Bc5

White has two main options:

6.d4 Nf2 (6...c6 7.Nc7+ Kf8 8.Ng5) 7.Qa4 c6 8.Ng5 (or 8.Nc7) and black has a difficult position,

6.e3 Nf2 7.Qa4 c6 8.Ng5.