PHMWMLYWO
OFPGIMUSSG (looks like a "p" to me and numbers are unlikely)
P- Forgive me
That's easy:
First line as before, then: Please help me with my lousy yig welder obsession. Oh, forgive God, I must use stainless steel grade pipe. : )
Actually, I do like "obsession". Maybe it's "leacherous young woman obsession."