Related Clues:

• Contingent factors
• "While supplies last" and others
• Unknown factors
• Contributing elements
• ''No __, ands, or buts!''
• Unknowns
• Elements
• Things not yet certain
• Uncertain matters
• Preconditions
• Condi-tions
• No ___, ands or buts
• 'No ___, ands or buts!'
• Characteristics
• "Weather permitting" et al.