c-p-c c-pop ccccc cech ceche ceco- ceoce ceppo chech cheep cheho cheo chepe chepo choco choop chope co-co co-op cocc- cocce cocco coceo coche coepe cohee cohoe cohoo cooch cooee coope copce copec coppe coppo cphpc eccho eeeee eepee eocho epoch h-cho hcooh he-he hecco heche heepe hepco hhhhh ho-ho ho-oh hocco hoche hohoe hooce hooch hoope hopeh hoppe hoppo ocoee oeco- oeppo oh-oh ooooh ooooo opepe ophep opoho pecco peche peece pepco pepee peppe phccc phecc pheo- po-po poche pocho pocop pooch poope poopo popco popop poppe poppo