di-iod- di-tri- diiodo- diritto dirutor dithio- dod-rot dododou doo-doo doridid dorohoi dortoir dortour dourdou duthoit hit-out hitoiro hoo-hoo horrour hortour hot-rod hothur hottodd hurhuri ididtoo idoodit ihururu iridio- iridoid ithhour itororo oidioid otoitid ottrott outdoor outouth outroot rddhi riddour ridotto riitiir riodoro riotord riotour rootout rootrot rotoiti ruh-roh ruhrort thoddoo thorrur thourio thruout thuthur tohorot toi-toi too-hoo too-too torhout toritto toroidh torroid tortour tototoo tottori touroud triiodo triurid tro-tro trotout tudihui turdoid tut-hoo tut-tut