O (Coimbatore) Okkilipālaiyam (Coimbatore) Odakkalpālaiyam (Coimbatore) Orāttukkuppai (Coimbatore) Okkilipālaiyam (Karur) Orappupālaiyam (Karur) Olaippālaiyam (Erode) Olaippālaiyam (Namakkal) Olaippālaiyam (Erode) Odukkadvalasu (Erode) Ogambalikāttuvalasu (Erode) Olaippālaiyam (Namakkal) Olaippālaiyam (Namakkal) Odappalli (Namakkal) Olāngkāttūr (Namakkal) Olaippālaiyam (Salem) Olaippattiyanūr (Salem) Olaippatti (Salem) Olaippatti (Dharmapuri) Ondikottai (Salem) Oddateruvu (Salem) Olakkachchinnānūr (Salem) Okkalipatti (Salem) Olappāraiyanūr (Salem) Olagappanūr (Salem) Odakkāttūr (Salem) Okkiliyāmpatti (Salem) Oravappatti (Salem) Oddateruvu (Erode) Odanalli (Tiruppur) Olakudayapālaiyam 14 15 16 17 18