chocho chooch chotum chouto chucho chuchu chukku chuktu chuo cocco- cococo cocomo cocto- comcom commot coocoo cookoo cootch coutch cuckoo cumuto cutcut cutout cuttoo hkcccc ho-hum hocooh hohhot hohoho hokuto homock hoohoo hookum hootch hottot houtou huh-uh huhhot hukkok humhot humhum hummum huthut k-much khocho kkoktu kohoku kohout kokkoh kokoku kokomo kokott komoto komtok kookoo kootch koothu kootoo koottu kotoko kotuku koukou koutou ktouch kuchum kukoc kukuom kumkum kummuh kumukh kumutu mccook mm-hmm mmuock mocock mococo mocoto mocuck mohock mohout mohuhu momoko moomoo mootch motmot motoko motomu moucht mtcook mtmtmk muchuu muhuhu muktuk mutoko mutomo mutuum muumuu o-hook ocho ochtum ohohoh ohotmu ohtomu ohtoto okumoo oohooh oomoto oooooo outcut thocht thouch thouth tkhkot tkhkut tkoutt tktock to-cut tokmok tokuko tommot tomoko tomtom toohot tookto tootoo totkuh touch- toucht touhou toutch toutou toutuo tuchom tuktuk tumtum tuotuo tuttut uh-huh um-hum umuchu utouth utukku