c-cor c-p-c c-pop ccccc cnnnn cntrc co-co co-np co-op cocc- cocco cocon cocto cocur conco concr connu cono- conon conop conor contn conto contr contu coopt coppo copr- copro copto copur coput corno cornu coro- coron corop corot corto corun coton cott- cotto cottu couco count court couru couto coutu cpctc croco croon croop croot cropc cropo crott croun croup crout crunt cruor cunco cunt- cunut cuoco cupon cupr- cupro curno curro curto curup cutco cutcu cutno cuton cutro cutto cutup n-p-n nnooo no-no no-op noct- nocto nocut non-u nonno nonop nonot nonpc noonu noort nopun norco noroc noron norro nortt norun notno noto- noton notpc notto notup nourt nrotc ntoro nu-nu nucor nunon nunun nuoro nupur nurun nuton occur ocorn octo- octon octor onco- onont onoon onorn onoto onour onout onpop onpot onto- ontoo ontop ontur ooooo opcon opnto oppon opto- optot optto orcon orcop ornon ornot oroco orono orout orton ortoo oruro orutu otono ototo otour otpor ottur ouoro ourno outon outro outto p-n-p pctct po-on po-po pocno pocop ponnu ponor ponto ponup poopo poort popco popon popop poppo popup porcn porco porcu porn- porno poro- poron porro porto portu porur potco potoc poton potoo potop potor potro potto pottu pptnt prntr proor proot prop- propn propp propr propt prot- proto prout prtor prun- pruno prunt ptprc ptprn ptpro ptprr ptprt ptpru punct punon punto puppo puro- putco putno puton putor putt- putto puttu putun putuo putup r-co- ro-ro rocco rocor rocou ronco ronno ronto roto- roton rotor rotot rotto rotun rount routt rprop rptor runcu runo- runon runto runup ruutu t-nut t-pop t-top tntnt tocco toco- tocut tonco tono- tonto tonup topcu topo- topon topor topot toppo topto topup toron torpo torro torto tortu torun toto- toton totoo totop totup tourn touro tprot troco tronc trono troon troop trop- tropo trott troup trout truco trupt truro ttttt tuctu tunon tuotu tupou turco turn- turno turnp turnt turnu turoc turon turot turro turtu turup turut tutor tutto tutun tuuru u-con u-pop uconn uncon uncor uncup uncut unnun unnur unnut unoor unorn unpot unput unrun untop unurn upcot upcut upnor uppon upput uprun upton uptop urour urucu urutu utro- utrop utror uttur uturn uturu ututo uuuuu