d-rod ddddd dhond dhoni dhoon dhuhr dhund dhuni dhunn diddu didin didio didno didon dihun diino dindi dindo dinio dino- dinon dinur dioid dioni diono dioon dioro diurn do-do dodon dodoo dodro dohrn doido dondi dondo donho donon donor doodo dooin doorn dorid dorin dorio dorno doron dorud douin douro dridu drinn drino drohi droid drood droon drori drouh droun druid druri duddo dudhi dudin dudon dudou duhon duhri duino dundi dundo dunin dunno dunod dunun durin durio durno duron duruh hhhhh hhour hi-hi hidin hidio hidir hidr- hidur hihon hindi hindu hinin hinou hiroi hiron hiroo hirur ho-ho ho-oh hoddu hodhr hodid hodod hodur hondo honir honno honor honud hoodi hoond hoord hoori hoorn horii horin horio horno horod horon horro horru hou-i houin houir hound houni hourd houri hudud hudur huhuh huidu huird hundi hunin huorn hurin huron hurri huuru iddon ididn idio- idodi idood idoru idron idunn iiiii iiuni indhu indi- indin indio indir indo- indor indri indru indur inhir iniid inini inio inio- inion inniu inonu inoor inori inour inrio inrun inund inurn iodid iodin iodo- iono- ioooi ioooo iorio irid- irido irind irinn irion irono irori irour iunno ndour nduru nidhi nidor nihon niidu ninon ninur niono niord nioro nnooo no-do no-no nodi- noduh nohno nohor nohri non-u nondo nonin nonio nonni nonno nonoh noonu noord noori nordo norid norin norio noron norro norun nouni nouri nu-nu nudi- nudur nuhuh nunni nunon nunun nuoro nurin nurri nurun oddur odiid odori odour odrin odudu oduro oh-oh ohiou ohorn ohour ohrid ohrio oidor oino- oinoi oiron onin onion onir- oniro onond onoon onorn onour onrio ooioo oonin ooooh ooooo ordon ordro orino orion orni- ornon orodo orono orrin oruro oudin oudon ouihi ouir- ouoro ourno rhin- rhind rhino rhod- rhodo rhoon ridin rindi rindr rindu rioni ro-ro roddi rodin rodon rodor rodri rohod rohri rohru rohun rondo ronin ronno roodi roodu roohi roond rorid round rudin rudno ruhnu ruino ruiru rundi rundu runin runo- runon u-hid u-n-i u-nii udrih uh-oh uh-uh uhdoh uhhoh uhhuh uhnin uhuru uiro undid undri undun undur unhid unido unini uninn union unnun unnur unoor unorn unrid unruh unrun unurn urdoi urin- urour ururi uuuuu