Cluster 1: "JJ", 
Cluster 2: "JJR", 
Cluster 3: "JJS", 
Cluster 4: "NN", 
Cluster 5: "NNS", 
Cluster 6: "RB", 
Cluster 7: "VB", "VBP"
Cluster 8: "VBD", "VBN"
Cluster 9: "VBG", 
Cluster 10: "VBZ"