dododo dollon dololo dolool dolour dondon donlon donoor donour dordon dorond dorood dororo doudou doulou dourou duddon duldul dululu dundun dundur dunoon dunord duolun lloro loddon lodurr loloru london lonnol looloo loudon loudun loulon loulou lourlo lunlun lurulu nnundu noldor non-no nonodd nonold nonono nonoon noonoo noonor nounou null-o nullor nurulu odoorn oloron olorun onroll oooooo oordoo ordoru orrour ouolon ourdon ourold ouroun roddon rodlo rollon rondon ronnon ronron roound roudno roundo roundu rounou ruddon rudnun rudrur run-on ruurlo udullu uldron ulloor undull undurn unlord unlull unroll urodon