c-cor ccccc cnnnn co-co cocc- cocco cocon cocos cocur cocus conco concr conns connu cono- conon conor conus coons coors corno corns cornu coro- coron corrs corso corss corsu corun corus cosco coson couco cours couru croco crocs crons croon croos cross croun crous cruor cunco cuoco curno curro currs cusco cusso nnooo no-no non-u nonno nonos nonus noons noonu norco norns noroc noron norro norun noso- noson nouns nu-nu nucor nunns nunon nunun nuoro nuosu nursu nurun nurus nusco nusus occur ocnus ocorn ocros onco- oncos onoon onorn onour oocss oonus ooooo orcon orcos orcus ornon ornus oroco orono oroso orosu orson orsun oruro oscon ososo ossos ossun ossur osusu ouoro ourno r-co- ro-ro rocco rocor rocou ronco ronno roons rosso rosss rosu rouns runcu runo- runon ruocs rusor russo s-o-r sconn scons scoon scoor scorn scors scour scroo scrus scurn scurr snous snuss so-so socon socus sono- sonor sonos sonus soonr soons sooru sorns soron soror soros sorso sorsu sorus sosno soss- sosus sours sous- sron sssss sucr- sunno sunoc sunos surur surus susso susun susus suuns u-con uconn uncon uncor uncos uncus unnun unnur unoor unorn unrun unson unsu unsun unurn urcos uros urour urous urson ursus urucu us-sc uscoc usour usson ussun uuuuu