c-p-c ccccc cech ceche ceene cence cenpn chech cheep chen- chene chepe cnnnn cphpc eccen eeeee eence eepee ehnen enche epeen epene he-he heche heene heepe hence hench henen henne hhhhh n-p-n neche neece neech neneh neppe p-n-p peche peece peene pence pench pene- penne pepee peppe phccc phecc phen- phene