Possible Clues:

• Eastern energy
• Vital force of Chinese medicine
• White Sox, in line scores
• NL Central team
• 1970s soul group The ___-Lites
• Letter after 31-Down
• Sox, in line scores
• Greek antepenultimate
• Vital life force, to acupuncturists
• '70s "A Letter to Myself" soul band ___-Lites