bi-lo bibbo bibio bibri bilbi bilbo bili- billi billo billu bilut bioul birol birou birur bitit bitru bitti bitto blirt blitt bloor blorb blort bloto blott blout blurb blurr blurt bluto bo-bo bobbi bobr bobri boilo boiro boito boll- bolli bollo bollu bolti bolto booit boort booru borbo borio boro- boroo borot borou borro borul borut botou botro botti bottu boul- bouli boulo boult bouri bouto brill briot briou brito britt brobo broil broll brolo brool broto brout brrrr bruit bruiu brull bruri btr-t built bulb- bulbi buliu bull- bulli bulou bulti bulto bulul bulut buolt burio burli burol buroo burri burro burru burtt buruq burut butit buto- butor butot butou butuo butut i-bot ibbur ibibo ibill iiiii iitti ilio- illit illui ilobu ilori iltur ilulu iobit ioooi ioooo iorio iotit iotti iqrit iquit irbit irill irobo irori irour irrit itbit itobi itour itout ittoo ittti itu-r itu-t ituri ituro ituru itutu iuliu liboi libor libri libro libru liliu lilli lillo lilou liour liqiu liqui liril lirio lirot lirui litir littb litti litui liubo liuli lobbo lobi- lobio lobir lobo- lobor loibl loilo lolli lollo lolol lolti loobu loquo lorio lorri lorut lotio lotor lotru lotti lotto louit louri louro lubur luiro lulli lulul lurio lutol lutto lutui luuri o-r-b oblio obliq oboli obolo oboro obout oilit oirot oitti ollio ollur olotu olour oobit ooioo ooooo orbit orbot oribi orill oriol orito orobo orolu orout ortoo oruro orutu otobi otoli otolo otori ototo otour ottir ottoi ottur otulu oubit oubut ouir- oullo ouoro ourol outro outto qibli qitul qoiri qoriq qoroq qorqi qoruq qotlu qubit quill quilt quirl quirt quito quitt quobb quoil quoit quoll quott qurlu qurul quruq qutub quurt ribbi ribo- ribot rillo rioli riolo ro-ro robbi robbo robo- robor robot robrt robur roiot rollo rorbu roto- rotol rotor rotot rotti rotto roubt roull routt rubbi rubio rubor ruili ruiru rulli rullo ruoti rutli rutul ruutu tbill tbolt tbtbt tbutt ti-ti tibbi tibbu tibor tibro tibur tilli tillo tiout tiqiq tiqqi tirit tirli tiro- tiroi tirol tirou tirru tirtl tirur titii titil titli titlo titou titti tllbr tobit tobol tobor tobot tobou toili toill tolbo tolli tollo toloo tolor tolu- tolui toolt toqui torii toril torio torit torob toroq torri torro torti torto tortu torul toti- toto- totoo touil touit toull touro tribu trill triol trior trit- trito tritt troil troll trott troul trout trubu truit trull truro ttttt tubi- tubli tubo- tubou tubri tubul tuili tulio tulir tulor tulou tului tuori tuotu tuqtu turbi turbo turbt turio turit turot turri turro turtu turul turuq turut tutli tutor tutti tutto tuubi tuuli tuuri tuuru u-bit ubirr ubobo ubolt uiro uitti ullur ultio ululu uluru uluti uroob urour urtlu urubu uruit uruli ururi uruti urutu utili utro- utror uttur uturu ututo uuuuu