dododo dogfur dogood dolfor dololo dolool dolour doolfu dorood dororo doudou doulou dourou dufour dugdug duldul dulful dululu duolog floudd fluor- fluoro fogdog folgou folurd foodog foofoo foofur forold foufou fougou foulgo fourgo fourof fourou froggo frollo fulgor fulgur fulldo fullof furfur furour furrfu go-off goddod godful godord gogoro gollur golurd good-o goodlo googol googoo googul gooroo gorgol gorgor goudou gourou grogol grorud grouff grugru grullo gudlur guduru gufool guggol guggul gulgul gurugu lloro lodurr logdog logoff loloru lolugu looloo lordof lougou loulou lourlo ludolf ludorf lufful lugdor lugoff lugogo lugulu luguru lurulu ofdoor off-go offord olddog oooooo oordoo ordoru orford orloff orrour ourold rodlo rodulf roflol rogoff rogolo roloff roogoo rouful rudgur rudolf rudrur rugolo ruurlo udullu ufford ugurlu ulloor urdorf urgull