Question

to have allowed more and more (work) to accumulate (not "to save up") (phrase)

Accepted Answer

to BE BEHIND WITH (one's work) e.g.:

Front	to have allowed more and more (work) to accumulate (not "to save up") (phrase)
Back	to BE BEHIND WITH (one's work) e.g.:

Allowed Work Accumulate Save Phrase One's E.G