bhooi bhoun bhour bibbo bibin bibio bibri bihor bihou binho binub birin birni biron birou birun birur bo-bo bo-ho bobbi bobin bobr bobri bohni bohon bohor bohri bohun boiro bonin bonio bonon bonou boorn booru borbo borin borio born- borno bornu boro- boron boroo borou borro borun bouin bouni bouri bourn brini brinn brion briou brobo brohn broin broni bronn broon broun brrrr bruhn bruin bruiu bruni brunn bruno bruri bruun bubon buirn bunin bunun buoho buono burin burio burn- buron buroo burri burro burru burun h-bio h-iib hburn hhhhh hhour hi-hi hibhi hibob hibor hibri hibur hihon hinin hinou hiroi hiron hiroo hirur hnnbo ho-ho ho-oh hobor hobro hobub honbu honir honno honor hoori hoorn horii horin horio hornb horno horon horro horru hou-i houin houir houni houri hubin hubur huhuh hunin huobi huorn hurin huron hurri huuru i-bon ibbur ibibo iborn iiiii iiuni inbin inhbb inhib inhir inini inio inio- inion inniu inonu inoor inorb inori inour inrio inrun inurn iono- ioooi ioooo iorio irinn irion irobo irono irori irour iunno nibbi nihon niibi ninib ninon ninur niono nioro nnooo no-no nobin nobob nobuo nohno nohor nohri non-u nonin nonio nonni nonno nonoh noonu noori norbu norin norio noron norro norun nouni nouri nu-nu nuhuh nunni nunon nunun nuoro nurin nurri nurun o-bon o-r-b obhor obion oboro oh-oh ohiou ohorn ohour ohrio ohrob oino- oinoi oiron onhbo onibi onin onion onir- oniro onoon onorn onour onrio ooioo oonin ooooh ooooo oribi orino orion orni- ornon orobo orono orrin oruro ouihi ouir- ouoro ourno rhin- rhino rhoon ribbi ribin ribno ribo- ribon rioni ro-ro robbi robbo robin robo- robon robor robun robur rohob rohri rohru rohun ronin ronno roohi rorbu rubbi rubin rubio rubon rubor ruhnu ruhub ruino ruiru runin runo- runon u-n-i u-nii ubirr ubobo uh-oh uh-uh uhhoh uhhuh uhnin uhuru uiro unini uninn union unnun unnur unoor unorn unruh unrun unurn urin- uroob urour urubu ururi uuuuu