• ine on one talks,
• kne on one talks,
• lne on one talks,
• pne on one talks,
• 0ne on one talks,
• 9ne on one talks,
• obe on one talks,
• ome on one talks,
• oje on one talks,
• ohe on one talks,
• onw on one talks,
• ons on one talks,
• ond on one talks,
• onr on one talks,
• on4 on one talks,
• on3 on one talks,
• one in one talks,
• one kn one talks,
• one ln one talks,
• one pn one talks

The adjective form of the phrase "one on one talks" is "one-on-one talks". It retains the hyphenated form to indicate that it is modifying or describing a certain type of talks or conversations.