nuagan nufaru nuggar nuh-uh nungua nuragh nurhan oahuan odadar odanad odanah odango odhran odongo odoorn odraha of-run ofdoor off-go offord ogdoad oghara ogongo ograda ohagro ohdarn ohgood ohnono ohohoh ohrana on-off onagga onagon onagra onanon onarga onarun ondand ondara ondraf onfang ongang ongaro ongood onhand onhang onhuno onnara onogur onuora oohooh oonagh oooooo oorahu oordoo oranda orando oranga orango ordona ordoru orford organ- organa organo ornago ornana orongo orraon orrho- orrour ouadda ouanga ouango ouanho oud-aa oudong ougard ounado ourang ourdon ouroun raadhu raadna radana radara radaur raddan radfan radhan radnor radoun radour raduga raduha raduhn radura rafaga rafard raffan rafhah rafhan rafuna ragada ragana ragdaf raggah ragnar ragrug raguhn rahang rahara rahdar rahgah rahgan rahona rahrah rahugh ranana randan randha randon randor ranfor rangan rangda rangha rangra ranoff ranong rarahu rarog raudna rdrand rhada- rhadar rhagon rhodo- rhodon rhogog rhonda rhunda roadog roanda rodang rodano roddon rodgau rodong rodora roggan roghun rognan rognon rogoff rohana rohhad rohrau rohuna ronago rondon rongan ronggo ronnon ronron roogoo roound roudna roudno rougon roundo roundu rounou ruanda ruando ruddon rudgur rudhra rudnun rudrur rugard ruhroh run-on runaha runand runfor runoff udgaon udhaar udhana uffdah ufford uganda ugndan uguana uguano uh-huh unadon undang undrag undurn unfang unfond ungang ungaro ungogo ungood unguan unh-uh unhand unhang unhard unhood unhoof unhung unhunh unroof unrung uragan uranah uranga urano- urdorf urgand urodan urodon uruagu uruana uruara urughu