Example output
Dear [Client A],
We [X1] to inform you that your [X2] for the [X3]
overdue [X4]. Despite [X5], we have [X6]
We [X7] business. Your [X8] cleared.
We [X9] debt.
We [X10] amount.
Thank you for your attention to this matter.
Sincerely,
[Your Name]
[X11]