BOT; BUT; DEB; DEO; DER; DOT; DUB; DUO; DUT; ERE; ODE; OHE; ORE; OUD; OUT; REE; TUB; WOH.
BEDE; BOER; BOOK; BOOT; BOUT; BUTO; DORE; ERRE; KORE; OREE; REDU; REER; RODE; TUBE.
BOUDE; DEBUT; DOREE; DORER; ERODE; REDUT; RODEE.
BOUDEE; BOUDER; DEBOUT; DERODE.