acahay achaea acouo- aeacea ahchoo ahyeah ayacha ayeaye ayoayo ayyaya caccao cacche cachaa cachao cacheu cachou cachua caeco- caucho cauchy cayeye cayuca cayuco ccache ceauce ceecee chacao chacha chacoa chaheh chaohu chauha cheaha checca checea cheche chechu cheech cheoah chhaya chhoya choccy chocho chooce chooch chucho chuchu chucoa chueca chuo chyche coachy cocco- coccy- cochea cochoa cococo coochy coocoo coohee cooyoo couche couchy coyche cucayo cucuyo ecache echoey echuca ecoche ecocho ecocyc euouae haccou hachee hachey hachoo hahaha hahhah haoeya hauhua hayaca hayhoe hayuya hayyeh hecche heehee hehehe hehheh hey-ho heyhoe heyyou hocooh hohoho hoo-ha hoochy hoohaa hoohah hoohoo hooyah houche huacho huayco huayu hucche huecco huh-uh hyecho ochaya ocho ohohoh ohyeah oohooh oooooo uh-huh yachay yaohua yeahyo yee-ho yehyeh yeo-ho yo-hah yohoho yoohoo yoyoyo yuauea yuccae yueyue