di-iod- di-tri- dihydr- dihydro diiodo- dirillo diritto dirtily dithio- dithiol ditloid ditolyl dod-rot dodrill dolyhir doo-doo dordyol doridid dorohoi dorothy dortoir dortory dortyol dothill dottily dry-rot dryhill hiddill hitoiro holroyd hoo-hoo hot-rod hotroll hottodd hryhory hydrido hydroid hyolith ididtoo idiotly idiotry idoodit ilithid illdoit iridio- iridoid iry-hor itororo lilioid liotiid lithio- lithoid litohor looroll lottiid ohlordy oidioid old-oil oldroyd olitory oltroto oriolid otoitid otolith ottrott rddhi riddyll ridotto riitiir riodoro riotord rootrot rotoiti rrdtool thillot thirdly thoddoo tholoid thorold thoroly thrilly thyroid tiirloo tilldth tilloid tilooyi tiriolo tirrill tittyry tohorot toi-toi tol-lol tolloid too-hoo too-too toothly torhild torilto toritto toroidh torroid tortill tortoli tothill tototoo tottori toydoll triddil triiodo trilith trillil triollo tritory tro-tro trothly tyrolit yhillid yoldiid yoo-hoo yor-yor yrollyd