cocco- cococo cocoon codnor concon concur condon condor connon connor conoco conrod coocoo coodoo cordon cordun cornod cornon coroun corour coruco corund coruro coudun courr- crocco cronon cruro- cuddon curour curror cururo dododo dondon donoor donour dorcon dordon dorond dorood dororo doudou dourou duddon duncur dundun dundur dunoon dunord durcon nnundu no-doc non-no noncon nonodd nonono nonoon noonoo noonor nounou occour odoorn oncorn oooooo oordoo orccon ordoru orrour ourdon ouroun rococo roddon rondon ronnon ronron roound roucou roudno roundo roundu rounou ruddon rudnun rudrur run-on ruocco ucuncu uncorn uncrud uncurd undurn urodon