BED - A piece of furniture, usually flat and soft, to sleep on.
BUD - A newly formed leaf or flower that has not yet unfolded.
CUB - A young fox.
CUE - An action or event that is a signal for somebody to do something.
DUB - To confer knighthood; the conclusion of the ceremony was marked by a tap on the shoulder with the sword.
BUCK - A male deer, antelope, sheep, goat, rabbit, hare, and sometimes the male of other animals such as the ferret and shad.
CUBE - A regular polyhedron having six identical square faces.
DECK - Any flat surface that can be walked on: a balcony; a porch; a raised patio; a flat rooftop.
DUCK - An aquatic bird of the family Anatidae, having a flat bill and webbed feet.
DUKE - The male ruler of a duchy (compare duchess).
BECK - A stream or small river.
CUBED - Simple past tense and past participle of cube.
BUCKED - Simple past tense and past participle of buck.