Related Clues:

• Pair of fives?
• It can be a perfect number
• Blair's house number
• Value of Q in Scrabble
• Perfect score, sometimes
• Actor McBride of "The Nine"
• ''Tai'' follower
• Onassis's X
• It's part of Xmas
• Small integer
• Coffee-break hour, maybe
• Wallet item, perhaps
• Osculate
• Mouth-to-mouth activity
• Count on both hands?