bbbbbb bcheck be-bop bebook beebee behope bhookh bo-hoo bobeck bobeke bocche boccob bochco bocock booboo boohoe boohoo bookup booue bop-be bopeep boubou bouche boukou bububu bucco- buchch buckup buech c-cube ceecee chebec chebuk cheche chechu check- checko cheech cheeke cheekh cheppu chocho choke- chokke chooce chooch chooke chopok chopup chubeh chubek chucho chuchu chukke chukku chuo cobbob cocco- cockee cockup cococo coocoo coohee cookee cookoo cookop cookup coopee coopup copeck cophee couche coucke coupee cu-bop cubeck cubube cuckoo cucube e-book echeck ecobee ecoche ecocho ecopop ephebe ephebo epoche epopee eucope euphue hecche heebee heehee hehehe hehheh heopop hkcccc hobeck hocooh hoebee hohoho hokpok hoohoo hookup hoopee hoopoe hoopoo hop-up houche houeko hubbub hububb hucche huecco huh-uh hukkok kecche keepup keochu keokee keokuk khocho koboko kohoku kokkoh kokoku kokopo kokopu kokpek kokubo kookoo koopoo kopeck kopeek koubek koubou koukou kucheh kuchek kukoc kupech o-hook obeche ocho ohheck ohohoh ohpooh okopek okpoko oohooh oooooo oukoop p-cube pecche peckho peepee phobo- phoebe pochep pocock pookoo poopoo pop-up popeck popopo poppop poupee poupko poupou pouppe pppppp pu-hoe puccho pukeko puukko uh-huh upkeep