dododo dolfor dollon dololo dolool dolour dondon donlon donoor donour doolfu dordon dorond dorood dororo doudou doulou dourou duddon dufour duldul dulful dululu dundun dundur dunoon dunord duolun floudd fluor- fluoro folurd fondof fondon foofoo foofur fordon forfun forold foufou fourof fourou frollo fulldo fullof fullon funoon funrun furfur furour furrfu furuno lloro loddon lodurr loloru london lonnol looloo lordof loudon loudun loulon loulou lourlo ludolf ludorf lufful lunlun lurulu nnundu nodoff nofood nofool noforn noldor non-no nonodd nonold nonono nonoon noonoo noonor noroff noroof nounou null-o nullor nurulu odoorn of-run ofdoor offord oloron olorun on-off ondful onroll oooooo oordoo ordoru orford orloff orrour ouolon ourdon ourold ouroun roddon rodlo rodulf roflol rollon roloff rondon ronnon ronron roound roudno rouful roundo roundu rounou ruddon rudnun rudolf rudrur run-on runfor runoff ruurlo udullu ufford uldron ulloor undull undurn unfold unfond unfool unfoul unfull unfurl unlord unlull unroll unroof urdorf urnful urodon