dhiddhoo di-iodo- didhdhoo dihydro- dirtpoor doittoit dorippid dottodot drip-dry dripdrop hippopod hirohito hoddidod horohoro horopito hot-trod hottoddy hryhoriy hydropot i-ii-iii idrohori iodophor iooooooo o-yoroi oophoro- ophidiid orthopod pihoihoi piripiri pit-prop pityroid poohpooh poorpoor poortith poritoid poroporo porphyr- porphyry porpitid portitor potoroid priority proditor proporid protopod pyritoid rhipido- rhodopid rhytidid riotorto riottrio riroriro thyridid tipi-tii tippytop toohotto toottoot top-root torotoro toyohiro tri-iod- trip-hop trithio- tropipop tropitid trottoir typhidot yo-ho-ho yohoyoho