1. exo-labial
  2. endo-labial
  3. dental
  4. alveolar
  5. post-alveolar
  6. pre-palatal
  7. palatal
  8. velar
  9. uvular
  10. pharyngeal
  11. glottal
  12. epiglottal
  13. radical
  14. postero-dorsal
  15. antero-dorsal
  16. laminal
  17. apical
  18. sub-apical