-ene -one cccc cccu cccv ccee ccnc ccne ccnu ccoc ccuc ccvo cec- cece ceco ceec cen- cene ceno ceou cevo cnco coce coco cocu coen con- conc cone conn cono conv coon coue coun cove covo cucc cuce cucn cune cuno cuon cuve cvcc cven eccc ecce ecco ecne eco- econ ecou eeee eeoc eevn en-v ence enco enee eneo ennc enne ennu eno- enoc enoe enon enue eone even evoe evon evoo nccc nccn nccu ncec ncee ncen ncnc ncoc ncue necc nece neco neen neev nene neno nenu neo- neoc neon neoo neuc neue neun neuo neuu neve nevo nnnn noce noco non- none nonn nono nonu noo- noon nooo noov noun nov- nove novo nuce nucu nuee nunc nune nunn nuno nuoc nuon nuvo nvcc o-eo occc occn oce ocee ocon oec- oecc oeec oen- oeno onc- once onco one- onec onee oneo onne onno onon onue oone oooo oucc ouen oun- oune ouu- ovee oven ovo- ovon ovoo ucon ueno uncc unce unco unec unee unen unne unno unon unov uocc uone uovo uuen uuno uuoc uuuu uv-c uven uvvu vcon vecc veen ven- vene venn veno venu veve vevo voce voeu vone vonn vooc voue voun vuco vuen vuno vvvv