d-rod ddddd dhond dhoni dhoon didin didio didno didon diino dindi dindo dinio dino- dinon dioid dioni diono dioon dioro do-do dodon dodoo dodro dohrn doido dondi dondo donho donon donor doodo dooin doorn dorid dorin dorio dorno doron drinn drino drohi droid drood droon drori hhhhh hi-hi hidin hidio hidir hidr- hihon hindi hinin hiroi hiron hiroo ho-ho ho-oh hodhr hodid hodod hondo honir honno honor hoodi hoond hoord hoori hoorn horii horin horio horno horod horon horro iddon ididn idio- idodi idood idron iiiii indi- indin indio indir indo- indor indri inhir iniid inini inio inio- inion inoor inori inrio iodid iodin iodo- iono- ioooi ioooo iorio irid- irido irind irinn irion irono irori nidhi nidor nihon ninon niono niord nioro nnooo no-do no-no nodi- nohno nohor nohri nondo nonin nonio nonni nonno nonoh noord noori nordo norid norin norio noron norro odiid odori odrin oh-oh ohorn ohrid ohrio oidor oino- oinoi oiron onin onion onir- oniro onond onoon onorn onrio ooioo oonin ooooh ooooo ordon ordro orino orion orni- ornon orodo orono orrin rhin- rhind rhino rhod- rhodo rhoon ridin rindi rindr rioni ro-ro roddi rodin rodon rodor rodri rohod rohri rondo ronin ronno roodi roohi roond rorid