k-p-r k-pop knokk knoop knork knorr knott knout knurr ko-ko kokko kokor kokot kokou kokur kokut konno konnu konro konur koonu koorn kooru kopru korku korno koron korop koror korpo korro kortu koruk korun korup koton kotor kotto kottu kotur kouno kouto krnuo kronk kroon kroot kropp kroun krout krtok krunk krupp kruto kruun kukko kukok kukup kukur kunku kunur kupon kupto kupur kurku kuruk kurup kutno kuttu kutur n-p-n nkpor nnooo no-no no-op nokko nokon non-u nonno nonop nonot noonu noort nopun norok noron norro nortt norun notno noto- notok noton notto notup nourt ntoro nu-nu nunon nunun nuoro nupur nuruk nurun nuton nutuk okkur okoro okrut okuku okuru onont onoon onorn onoto onour onout onpop onpot onto- ontoo ontop ontur ooooo opnto opoku oppon opto- optot optto orkut ornon ornot orono orout ortok orton ortoo oruku oruro orutu otoku otono ototo otour otpor otrok ottur oukup ouoro ourno outon outro outto p-n-p po-on po-po pokot pokou ponnu ponor ponto ponup poopo poork poort popon popop poppo popup porn- porno poro- poron porro porto portu porur potku potok poton potoo potop potor potrk potro potto pottu pptnt prntr pronk proor proot prop- propn propp propr propt prot- proto prout prtor prun- pruno prunt ptprk ptprn ptpro ptprr ptprt ptpru punkt punon punto punuk puppo purku puro- purok putno puton putor putt- putto puttu putun putuo putup ro-ro rokkk rokon rokot rokto ronk- ronko ronno ronok ronto rotko roto- roton rotor rotot rotto rotun rouko rount routt rprop rptor rt-rk runo- runon runto runup ruutu t-nut t-pop t-top tntnt tokko toko- tokor tokuo tokur tono- tonto tonup topo- topon topor topot toppo topto topup torok toron torpo torro torto tortu torun toto- totok toton totoo totop totup tourn touro tprot tronk trono troon troop trop- tropo trott troup trout trunk trupt truro ttttt tukur tunku tunon tuotu tupou turko turku turn- turno turnp turnt turnu turok turon turot turro turtu turup turut tutku tutor tutto tutun tuuru u-pop ukpor ukrop unkur unnun unnur unnut unoor unorn unpot unput unrun untop unurn upnor uppon upput uprun upton uptop urkun urkut urnok urour urutu utro- utrop utror uttur uturn uturu ututo uuork uuuuu