bbook bo-bo bobko bobok bobup bokko bokok bokun bonon bonou bonut booko boonk boont botok boton botou bottu botun bouko bouto bubon bukk- buknu bunko bunuk bunun bunut buono butko butno buto- buton butot butou butuo butut k-pop k-t-b knokk knoop knott knout ko-ko kobuk kobun kokko kokot kokou kokut konbu konno konnu koonu koton kotto kottu kouno kouto kubok kukko kukok kukup kunku kupon kupto kutno kutob kuttu n-p-n nkotb nkubu nnooo no-no no-op nobob nobuo nobut nokko nokon non-u nonno nonop nonot noonu nopun notno noto- notok noton notto notup nu-nu nunon nunun nuton nutuk o-bon obout okbut okobo okubo okuku onont onoon onoto onout onpop onpot onto- ontoo ontop ooooo opnto opobo opoku oppon opto- optot optto otoku otono ototo oubut oukup outon outto p-n-p pbook po-on po-po pokot pokou ponnu ponto ponup poopo popon popop poppo popup potku potok poton potoo potop potto pottu pptnt pubo- punbb punkt punon punto punuk puppo putno puton putt- putto puttu putun putuo putup t-nut t-pop t-top tbtbt tbutt tntnt tobon tobot tobou tokko toko- tokuo tonbu tono- tonto tonup topbt topo- topon topot toppo toptb topto topup toto- totok toton totoo totop totup ttttt tubo- tubon tubou tunku tunon tuotu tupou tutku tutto tutun u-pop ubobo ukobu unnun unnut unpot unput untop uppon upput upton uptop ututo uuuuu