In Dante’s Inferno, a sign above the gate to hell reads LASCIATE OGNI SPERANZA, VOI CH’ENTRATE.

There are many ways to translate this (Robert Ripley claimed to find 100), but a common one is ABANDON YE ALL HOPE WHO ENTER HERE.

By an unlikely coincidence, this yields ABANDON Y.A.H.W.E.H.

(Discovered by Dave Morice.)