choho chordo- choruru choucho chourmo chromo- chuchur chuddur churchu chururu cochour commodo cooccur corrour cou-cou cuchuco curchod dododou doo-doo dourdou droddum dum-dum h-m-d h-r-m hochodo homdrom homorod homorud hoo-hoo horrour humdrum mcchord mcmurdo mochrum moo-moo morocco morodou morrum morucho moumour muchumo mudroom murdoch murdrum muu-muu ommoord r-h-m rococco rom-com ruh-roh rum-dum urocord