ceecee cewkow cheche chechu check- checko cheech cheeke cheekh chemo- chewco chocho choke- chokke chokwe chomec chooce chooch chooke chucho chuchu chukke chukku chukwu chumeh chuo cocco- cochem cockee cockow cococo cocomo coecum cohowe comcec comcom commem coocoo coohee cookee cookoo couche coucke couwee cowche cowcow cuckoo e-comm echeck ecoche ecocho ekokem eucomm hecche heehee hehehe hehheh hekmeh hkcccc ho-hum hocooh hohoho homeec homeo- homock homoe- homowo hoohoo hookum hoowee houche houeko howmeh hucche huecco huh-uh hukkok humhum hummum hwekum k-much kecche keochu keokee keokuk keowee khocho khomeh kocewo kochow kohoku kokkoh kokoku kokomo komoe kookoo koukou kucheh kuchek kuchum kukoc kukowo kukuom kumkum kummuh kumukh kwekwe mccook mecche mechem mechow meckhe mecock mehche mehmke mehome mememe memome mm-hmm mmuock mochow mocock mococo mocuck moeche mohock mohuhu mokowe mokowo mokume momoko moocow moomoo mouche mowche mucche muchee mucheh muchow muchuu muckow muecke muhuhu muumuu o-hook o-week occome ocho ohheck ohohoh okcome okoume okumoo omemee oohooh oooooo uecomm uh-huh um-hum umchew umuchu umuoke wecche wecome weehee weemee weewee wemmow wheech wheeme whoche whuche woohoo woowoo wouche wowwee wucche wuchow