bdoor bibbo bibio bibod bibri biddu bidor bidri bidup bidur bipib bipod birdo birdu birou birur bo-bo bobbi bobr bobri bobup bodd- bodio bodir bodiu bodor bodri boiro boord booru borbo bordi bordo borid borio boro- borod boroo borou borro borup boudu bourd bouri bridi briod briou brobo brodd brodo broid brood broud brrrr brud- bruiu bruri buddu buduq budur buird buord burdi burio buroo burri burro burru burud buruq d-rod ddddd dibri diddu didio didup diiop dioid dioro dipod do-do dobri dobro dodoo dodro doido doiop doodo dorid dorio dorud doupi douro drbob dridu drobo droid drood droop drop- dropi dropo drori droup druid drupi druri dubbi dubbo dubi duddo dudou dupiq dupri durio duriq i-bid i-bod ibbur ibibo idio- idodi idood idoru idrop iiiii iodid iodo- ioooi ioooo iorio ipour ipubi irbid irid- irido irobo irori irour irupi o-r-b obodo oboro obudu oddup oddur odibo odiid odori odour odudu oduro oidor ooioo ooooo oopod opio- opiod opir opobo opodo ordib ordro oribi oridb orobo orodo oropi oruro ouir- ouoro pibor piiri pipid pippi pippo pipri piqui pirou pirri pirro pirui piuri piuro piuru po-po podio podo- podob podor poipu pooid poopo poori popoi popop poppi poppo popup poro- poroi porri porro porur priob prior probo prodd prodi proor prop- propp propr proud prudi pubo- pudob pudor pudur puppo pupri purdi purio puro- puuri qiupu qoiri qoriq qoroq qorqi qoruq quido quipo quipu quobb quruq ribbi ribo- ribup ripio ripup rirpu ro-ro robbi robbo robo- robop robor robur rodbo roddi rodor rodri roodi roodu ropid rorbu rorid rprop rubbi rubid rubio rubor rubup ruiru u-dub u-pop ubirr ubobo udupi uiro up-do upido uqrop urdoi uroob uropi urour urubu ururi uuuuu