Dun, gun, nun, pun, run, sun, shun, tun, stun, spun, begun, son, won, ton, done, one, none, undone.

UNCE.

Dunce, once, etc.

UNCH.

Bunch, punch, hunch, lunch, munch, scrunch,§ crunch.§

UNCT.

Defunct, disjunct, rhymes preterites and participles of verbs in UNK.

UND.

Fund, refund, preterites of verbs in UN, etc.

UNE.