c-p-c c-pop ccccc ccoyo cnnnn co-co co-np co-op cocc- cocco cocon cocuy conco connu conny cono- conon conop conoy coony coopy coppo coppy copyc couco coucy coupy couyn coypu cucuy cunco cuoco cupon cuppy cyno- n-p-n nnooo no-no no-op non-u nonno nonny nonop nonpc noonu noppy nopun nouny noyon noyou nu-nu nunny nunon nunun nycon occoy ocopy ocupy onco- onnuy onoon onpop onyon onyou ooooo opcon oppon opypy p-n-p po-on po-po pocno pocop poncy ponnu ponup ponyo poopo poopy popco popon popop poppo poppy popup poucy poyou punny punon puppo puppy puyoo pycn- pynn- pynon pynun pypyn u-con u-pop uconn uncon uncoy uncup uncyc unnun uppon uuuuu y-o-u yo-yo yocon yopon youno youon youup yunyu yupon yuppy