Yes, BUMPHS is a Scrabble word!

Letter values in Scrabble US: B 3, U 1, M 3, P 3, H 4, S 1.

Is it a valid word?

BUMPHS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

reading materials (documents, written information) that you must read and deal with but that you think are extremely boring