bbbbbb bobbos boffos bofors booboo boorus borbor bororo bososo bossou boubou boudou bourou bousso boussu broods brosso brubru brusor bububu budrus buffos buford burbur burdur burros busbud dobros dododo doofus dorbod dorobo dorood dororo dorso- dorsur dosour dossor doudou doufus dourou dr-dos drofus drusus dubdub duffus dufour duobus durous durrus durusu foboff fodors foofoo foofur forbod forros fosso fossor foufou fourof fourou frbroo frodus furfur furors furour furrfu fusors obsorb obsurd odours odsbob odsbud ofdoor offord oooooo oordoo ordoru orford orobus orodus orrour osdorf ossous ossudu ououso ousrou robous robsof rofors ruboff rubro- rudrur ruffus rufous russo- russud russus sb-dos sobos sodoff sodros soords soosoo sorbus sordor sorors sorous sorrus sorsor soudou soudur sourou sousou sssfrs subfor subord suburb suroso susurr ubussu udburu ufford urdorf urobos