ddddddddd dhidhdhoo dinotoxin diodontid diondiori donotiron doot-doot dotdotdot hiodontid hothothot hottotrot intortion nitritoid nonhorror northdoor nottoohot oddnotion ornithion ornithoid orodontid oroxindin ortho-dot otodontid ototriton ottottrio rhodionin rintintin riodinini thiothrix thoothoor thorondor tintinnid tonnihood toroidion torontron tri-iodo- trinitrin trinitro- trinitron trit-trot tritoniid tritonoid trntrntrn xhrio-tdt xhtit-tdt