coodoo cormo- cormor corour coruco coruro courr- crocco crochu crooch crouch cruro- cumhur curmur curour curror cururo docomo dododo domdom dommoc domrud dordum dorood dororo doudou dourou drdoom dromo- dromod drummr duhour dumdum durdum h-hour ho-hum hocooh hocour hoddom hodhur hohoho hohrod hoodoo hoohoo hooroo hormud hororo horror hudood huh-uh humhum hummum humour hurdom hurroo hurumu mccord mccrum mm-hmm mococo moddom moddum mohoro mohuhu mommur moodur moomoo morcom mordor mordru mormor mormur moroco morodo mouddo mourou muchur muchuu mudomo muhuhu muhurr muhuru murdoc murdur murmur muumuu occour ocho ochro- ohcrud ohohoh oohooh oooooo oordoo ordoru ormrod oromoo orrho- orrour rhodo- rochor rococo romcom romour romrod roucou rudrur ruhroh rumdum rumohr rumour ruocco ucurum uh-huh um-hum umuchu

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

chodchod chomchom choochoo chouchou chu-chou chumhood co-occur cocoroco comodoro corocoro coromoro cucurucu curucucu dormroom hochmoor hococooh horohoro hum-drum humuhumu mcchurch mocomoco mocuddum mohoohoo mohurrum morrocco muccudum muchocho mucuddum mudhdhoo murumuru rum-dumm uh-uh-uh urochord

choo-choo chorrocho churchdom churumuco couroucou cucurucho ddddddddd hohumdrum moco-moco morochuco mudrooroo oromoromo roocoocoo

chumchurum churchdoor muccomucco rococococo rumorrumor

church-door

hocochchcooh mmmmmmmmmmmm ooohooohoooh

ccccccccccccccc doodoodoodoodoo

hhhhhhhhhhhhhhhhhhhhh

hohohohohohohohohohohohohohohohohohohohoho