bbbbbb beebee beefer before befree beiber berbee berbeo berber berere berrer berrie bibber bibiri bieber biobor biribi birori bobber bobbie bobbio bobiri boeber boerre boober boobie booboo borbor borebi borfee borier borore bororo breefe breere breffo bribe- bribee briber bribir bribri briefe ebr-ii ebrie eebree eerier effeir effere effoff effore eforie er-rif erbree errori febri- feerie feeror feifer feirie feofor ferber ferfer ferier ferior ferrer ferri- ferrie ferro- fibber fibro- fieber fiebre fiefie fierro fobiri foboff foerre foofoo forrer frbroo frebie freebo freeof frefre freire froofe i-bere i-free ibero- ibibio ier-oe ierror iffier iiooio ioffer irereo o-bofe oberoi oferre offire offrir oooooo orbier orobii rebore reefer reeffe refeff refire refrei reiber rerobe reroof ribber ribbie ribero ribibe ribier rieber riffer rififi robber robbie robbio roeier roiffe roofer roofie