All of the following are paired except
Interarytenoid is unpaired and acts as adductor whereas Corniculate, Vocal cords and Cricothyroids are paired. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 6, page - 319, 321
Interarytenoids
Corniculate
Vocal cords
Cricothyroids
Larynx