forno forro forto forur foton fotur fount fouro fprot front froop froot frorn froup frunt fruto ftrtt fu-fu fuorn furo- furor futon futop futur n-p-n nnooo no-no no-op nofor nofou nofun nofut non-u nonno nonop nonot noonu noort nopun noron norro nortt norun notno noto- notof noton notto notup nourt nroff ntoro nu-nu nunon nunun nuoro nupur nurun nuton offof offon offto offun ofono oforn ofoto ofour ofpop onoff onont onoon onorn onoto onour onout onpop onpot onto- ontof ontoo ontop ontur ooooo opnto oppon opto- optot optto orfor ornon ornot orono orout orton ortoo oruro orutu otono ototo otour otpor ottur ouoro ourno outof outon outro outto p-n-p pforp po-on po-po ponnu ponor ponto ponup poopo poort popon popop poppo popup porn- porno poro- poron porro porto portu porur potof poton potoo potop potor potro potto pottu pouff pptnt prntr proff proft proof proor proot prop- propn propp propr propt prot- proto prout prtor prun- pruno prunt ptprf ptprn ptpro ptprr ptprt ptpru punon punto puppo puro- putno puton putor putt- putto puttu putun putuo putup ro-ro rofor ronno ronto rooft roto- roton rotor rotot rotto rotun rount routt rprop rptor ruffo rufo- runo- runof runon runto runup ruutu t-nut t-pop t-top tnftp tntnt toffo tofop tofor tono- tonof tonto tonup topo- topof topon topor topot toppo topto topup toron torpo torro torto tortu torun toto- toton totoo totop totup tourn touro tprot troff troft trono troon troop trop- tropo trott troup trout truff trupt truro ttttt tunon tuotu tupou turn- turno turnp turnt turnu turon turot turro turtu turup turut tutor tutto tutun tuuru u-pop ufofu ufton unfun unfur unnun unnur unnut unoft unoor unorn unpot unput unrun untop unurn upfor upnor upoff uppon upput uprun upton uptop urour urutu utro- utrop utror uttur uturn uturu ututo uuuuu