bbbbbb becice becure beebee beiber beocic berbee berbeo berber berceo bercio berere berour berrer berric berrie berube beruri beurre bibber bibice bibiri bibiru bicioc bieber bierce biobor bircii biribi birori bobber bobbie bobbio bobice bobiri boboci boccie boccob bocoio boeber boerre boober boobie booboo booue borbor borebi boreci borier borore bororo boubou boueer bouree bourou bourre breere breuer bribe- bribee briber bribir bribri brocco brocor brubru brucei brucie bruree bubber bubbio bububu bucco- bucici burbur burcei burcer burier burior buriro burree burrer burrie burrio bururi c-cube cebeci ceecee cercie cerco- cerice cerici ceruce cibber cibiru ciboir cicero cicree cicuco cicure ciocci circue cirice cirici ciroc cirri- cirro- cirroc ciucci cobber cobbob cobric cocci- cocco- cococo coerce coo-er coocoo coorie corbie corbio corcir coribe corour correi corrib corrie coruco coruro courbe courbu cource couric courie courr- crecco crico- criour crocco crocer croice croire cruro- cubber cubero cubibe cubube cuccio cucice cucici cucube cucurb cui-ui cuirie curber curcic curcio curico curour currer currie curror cururo eboric ebr-ii ebrie eburru ecobee ecrier ecrire ecurie eebree eerier erbree ericii errico errori errour eruci- erucic euboic euerie eurico eururo i-bere i-bure i-crei iberic ibero- ibibio ibicui iccube ier-oe ierror iiooio irereo irrour obcice oberiu oberoi oborci occour occure ocreo- oooooo orbier orbieu orcier orcure orobii orrice orrico orrour ouerre ouioui ourebi rebbec rebeuc rebice rebore rebour recice recore recour recreo recrue recrui recuer recurb recure reiber reioce rerobe reueir reuere reuire reuour ribber ribbie ribero ribibe ribici ribier ricice ricore rieber riobec riuere robber robbie robbio robeco rococo rocroi roeier roucou rubbee rubber rubbie rubico rubier rubric rubrie rubro- rucici rui-be ruocco uburoi urcice urecco urico- urouer uroure urucui