howl -3213 {howl} , howled , howling , howlings ,   

howled -3213 howl , {howled} , howling , howlings ,   

howling -3213 howl , howled , {howling} , howlings ,   

howling -3214 {howling} ,  

howlings -3213 howl , howled , howling , {howlings} ,   

 

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