Source code:
@Grab(group='org.openscience.cdk', module='cdk-bundle', version='2.9') import org.openscience.cdk.interfaces.*; IAtomType.Hybridization.each { println it }
Output:
S SP1 SP2 SP3 PLANAR3 SP3D1 SP3D2 SP3D3 SP3D4 SP3D5