c-cor ccccc choco chono choon choor chor- choro chron cnnnn co-co cocc- cocco cocon cohon cohoo conch conco concr cono- conon conor cooch corno coro- coron croco crohn croon h-cho hcooh hhhhh ho-ho ho-oh hocco hocon honno honor hooch hoorn horch horno horon horro hroch nnooo no-no nohno nohor nonno nonoh norco noroc noron norro ochro ocorn oh-oh ohchr ohorn onch- onco- onoon onorn ooooh ooooo orcon ornon oroch oroco orono r-co- rhoon ro-ro rocco rocor ronco ronno