bo-bo bonon bonou bonut boont boton botou bottu botun bouto bowon bowow bowto bubon bunun bunut buono butno buto- buton butot butou butuo butut nnooo no-no nobob nobuo nobut non-u nonno nonot noonu notno noto- noton notow notto notwo nowon nu-nu nunon nunun nuton o-bon oboow obout obowo onbow onnow onont onoon onoto onout onto- ontoo ontow ontwo ooooo otono ototo otown oubut outon outto owbon ownto t-nut tbtbt tbutt tntnt tobon tobot tobou tonbu tono- tonow tonto toown toto- toton totoo totwo towoo ttttt tubo- tubon tubou tunon tuotu tutow tutto tutun twono twoon twoto twunt ubobo unbow unnun unnut unown unwon ututo uuuuu woont wotou wount wowow wwwww