mun.

"Nay, we mun do a bit first," Tommy replied, spitting on his hands and driving in his spade again.

When your broth's ready-made for you, you mun swallow the thickenin', or else let the broth alone.

Why, I cant say for sartain that I didno seed mun; my mother hath—so Ive yeerd her tell divers times.

For I thowt to mysen I had made maugrums (antics) enough, and all t' quality 'at war theare mun ha' thowt me a hawkard owd chap.

Tha mun tak' a horse to t' water, but tha canna mak' un drink.'