Possible Clues:

• Calls on six, notwithstanding
• When not one of the family, the half-dozen takes the chairs
• Is it what the callers pay in fives, perhaps?
• Calls
• One is not at home to pay them
• Stays very short time in academic stream?
• Five is and it is, in short, when they are paid
• Comes by
• Stops in to see
• Looks in on