dd

dd = /d/

addition, add, odd, oddity, paddle, saddle, waddle, straddle, meddle, peddle, needle, diddle, fiddle, middle, piddle, riddle, griddle, twiddle, coddle, toddle, toddler, cuddle, huddle, muddle, puddle, befuddle, ladder, bladder, fodder, rudder, shudder, sudden, hidden, caddy, eddy, buddy, muddy, ruddy, shoddy, goddess, riddance, adduce, addict, addiction, pudding