All word families.
All printables are in PDF.
'uck' buck, chuck, cluck, duck, luck, pluck, puck, struck, stuck, suck, truck, tuck.
'ug' bug, chug, drug, dug, jug, lug, mug, plug, rug, shrug, slug, snug.
'ump' bump, clump, dump, hump, jump, lump, plump, pump, rump, slump, stump, thump.
'unk' bunk, chunk, clunk, drunk, dunk, flunk, hunk, junk, punk, shrunk, skunk, sunk.

