chocho chooch chorku choro- chorro chorur chucho chuchu chukku chukor chukur chukwu chuo church churro churuk cocco- cockow cococo coocoo cookoo corour coruco coruro courr- cowcow crocco crochu crooch crouch crowch cruro- cuckoo curour curror currow cururo h-hour hkcccc hocooh hocour hohoho hoohoo hookor hooroo hororo horror horrow huh-uh hukkok hurroo k-rock khocho khoroo khoruk khuhro kochow kohoku kokkoh kokoku kokoro kookoo korkor kororo koruru koukou kouoro kourou kowkur krowor krukow kukoc kukowo kurkcu kuroch kuroko kurowo kurukh kururu o-hook occour ocho ochro- ohohoh oohooh ookroo oooooo orchow orkowo orrho- orrock orrour rochor rococo rokkor rokuko rokuro roucou rowrow ruhroh ruocco uh-huh woohoo woowoo worowo worrow wuchow wurrow