Related Clues:

• Neon or helium
• Gold or silver
• Before middle sch.
• School before middle school: Abbr.
• Copper or nickel
• Helium, for one
• I, for one
• Pre-H.S., maybe
• ___ sch.
• He or I
• Normal habitat
• K-6 sch. designation
• Tin or titanium
• Early sch.
• I, O or U