Related Clues:

• Alphabet quartet
• Alphabet run
• Middle of a run?
• Alphabetic quartet
• K followers
• K-P linkup
• K-P connectors
• They lead to P
• Pre-P queue
• Montgomery initials, followed by a blunt refusal?
• K-P link
• K-P hookup
• K to P string
• Letters after K
• Alphabetical quartet