Root on A string
no fifthx7577x
Em9 is the E minor 9 chord. Its notes are E, G, B, D and F♯. A minor seventh with a ninth. This compact grip omits the fifth.
x7577x
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every E, G, B, D and F♯ on the first 12 frets. The filled dots are the root, E. Build your own shape from any nearby group.
Other E chords
Other minor 9 chords