di-iod- di-tri- dihydr- dihydro diiodo- dioptid dioptry diphyo- dipodid diritto dithio- dod-rot doo-doo doridid dorohoi dorothy dortoir dortory dripdry drippot droptop dry-dip dry-rot hip-hop hiphopi hippity hippoid hitoiro hoo-hoo hoo-pih hoppity hoptoit horipro hot-dip hot-pot hot-rod hottodd hryhory hydrido hydroid ididtoo idiopid idiotry idoodit ipo-ipo iridio- iridoid iry-hor itororo oidioid oophor- ophido- oropioi otoitid ottrott phi-phi photoid photoop phytoid pip-pip pip-pop piproid pitirri pitorro pitprop pittoid poo-poo pop-top poptrio poritid porritt portoir potiori potioth potorid potoroo potrido potryty prihodi priorit priorto prodrop propio- proport proprio prothro pyrido- pyrito- pyrrho- rddhi rhipid- rhoptry rhyphid ridotto riitiir riodoro rioport riotord rootrot rotoiti thoddoo thripid thrypti thyroid tip-top tiphiid tippity tittyry tohorot toi-toi too-hoo too-too toritto toroidh torroid tototoo tottori tri-tip triiodo triphop tripiti tripody tripoto triptip tritory tro-tro tropho- try-pot trypiti typhoid yip-yip yoo-hoo yor-yor