irbit irid- irido irobo irori irour irrit itbit itdid itobi itour itout itrod ittoo ittti itu-d itu-r itu-t ituri ituro ituru itutu o-r-b obodo oboro obout obudu oddur odibo odiid odori odour odudu oduro oidor oirot oitti oobit ooioo ooooo ootid orbit orbot ordib ordro oribi oridb orito orobo orodo orout ortoo oruro orutu otobi otori ototo otour ottir ottoi ottur oubit oubut ouir- ouoro outdo outro outto ribbi ribo- ribot ro-ro robbi robbo robo- robor robot robrt robur rodbo roddi rodor rodri roiot roodi roodu rorbu rorid roto- rotor rotot rotti rotto roubt routt rubbi rubid rubio rubor ruiru ruoti ruutu tbird tbtbt tbutt tdoit ti-ti tibbi tibbu tibor tibro tibur tiido tiout tirit tiro- tiroi tirou tirru tirur titii titou titti to-do tobit tobor tobot tobou todid todor toord tordu torii torio torit torob torri torro torti torto tortu torud toti- toto- totoo touit tourd touro tri-d tribu triod trior trit- trito tritt trood trott trout trubu trudi trudo truit truro ttttt tubi- tubo- tubod tubou tubri tudor tudou tudur tuori tuotu turbi turbo turbt turid turio turit turot turri turro turtu turut tutor tutti tutto tuubi tuudi tuuri tuuru u-bit u-dub ubirr ubobo uiro uitti urdoi uroob urour urubu uruit ururi uruti urutu utrdb utro- utror uttur uturu ututo uuuuu

bbbbbb bibiri bibiru bidbid biobor biodot biotti biribi birori bitour bitrot bittor bittou bittur bobbio bobiri boditi booboo bootit borbor boridi bororo botiid botoro boubou bouddi boudit boudou bourou boutob bribir bribri briord brito- britot brotto brubru brutii brutti brutto bubbio bububu budrio burbot burbur burdit burdur burior buriro buriti burotu burrio bururi burutu butbro buttir buttto buutuo ddr-ii didtoo diii-d diiod- diiodo diodor diorio dioubo dobi-i dobrut dododo dodori doobdi doorto dorbod doriot dorito dorobo dorood dororo dorrit dotbot dotdot dotodo dotoid doudou dourou doutou doutro drobot drouot druitt dubdub durior durtro dutoit ibibio ididit idoido idotoo iiooio irbidi iridio irido- irobot irridu irrour ittiri ittro- iturbi obturb odroid oooooo oordoo ordoru orobii orrour ortrud otidid otitid ototoi ottoii ottoor ouioui outbid outbud outdid outour outtro ribbit ridott ridout rititi ritto robbio roboid roboto roditi rorodt rotour rotout rotrou routot rubbot rubout rubro- rubutu rudrur rurutu rutour tibbit tibio- tibiri tiboro tidbit tirbid tirbou tirodi tirrit titbit titibu titiri to-rit toboot toitoi tootoo torbit torito torodi torodo toroid torori tororo torrid torrit tortor tortou totoro totrot tottoi toudou touitt tourou toutou toutuo tribit tribo- tribut triduo triour trito- tritor trotro truitt tuboid tubrid tuiuti tuotuo turbid turbit turbo- turbot turdid turodi turrid turtur tururu tutour tuttut u-boot uburoi udburu uitoto urodid utroor utrubi

bbbbbbb bi-tri- biobio bioroid birudur bittour bobbitt boo-boo boobird bootout bordour borotou boudoir bourout bourrou broudur bruttii burditt burdour burrito buttodo buttout buttrio di-iod- di-tri- diiodo- diritto dirutor dob-dob dobi-ii dobrodo dod-rot dododou doo-doo doridid dortoir dortour doubtit dourdou dribouo ididtoo idoodit iridio- iridoid iro-bot itororo oddbird oidioid orbito- oroboro otoitid ottrott out-bid out-bud outboob outbutt outdoor outroot riddour ridotto riitiir riodoro riotord riotour robiboo robotti rootout rootrot rotoiti rub-out rubbour tibbitt tiburio tid-bit tit-bit toi-toi too-too torbido toritto torroid tortour tototoo tottori touboro touroud triboro tribrid triiodo triurid tro-tro trotout trubrot turbott turdoid turibio tut-tut ububboo uriburu

bbbbbbbb biorobot bitritto bo-bo-bo borborid borborud borututu broubrou burriour buruburu butibori di-iodo- dirtbird dobi-iii dodobird doittoit doobidoo dottodot dutuburi i-ii-iii idoubtit iooooooo odotobri orbitoid otor-udu our-burd out-door ribibour riotorto riottrio riroriro roborior robotoid roboturb rutuburi tioutiou toottoot toribio torotoro tourtour tri-iod- tributor trottoir turboduo turritid turturro ubbubboo

bidi-bidi biro-biro bodotriid borborbor borobudur ddddddddd dirt-bird doot-doot dotdotdot dub-i-dub ottottrio ouroboroi tibourbou titiribi totrodrou tri-iodo- trit-trot tuotuorou tuttototo

doortodoor tutortrout ubbi-dubbi

biddi-biddi bobbi-bobbi odododiodoo

burritoburro door-to-door

bbbbbbbbbbbbbbb doodoodoodoodoo idoidoidoidoido ioooooooooooooo

bibbidibobbidiboo

bibbidi-bobbidi-boo