c-evo c-one ccccc ceco- cecon ceene cence ceno- cenon ceoce cezve cnnnn co-co cocc- cocce cocco coceo cocon coen- coeve conco conne cono- conon convo conze cooee coone cooze coven coveo cozen cozzo e-one eccen econo eeeee eence eevee eneco enevo enone enzen even- evene eveno eveve necco neece neeve neez neeze nenno neoev neven nevez nevve nnooo no-no nonce nonne nonno noone nooze novec novo- novoc nozno nozze oceno ocoee oeco- oeno- oenoe oncee onco- onene oneno oneon onne- onnen onone onoon ooooo oovoo ovcon oveco ozen- oznoz ozon- ozone ozono v-one vecon vecov veeco veeno veeve veeze vence venee venev venez venne veno- venoe venon veooz vevce veveo vezon zecco zenne zeno- zenzo zeven zevon zocco zonne zono- zveno zzzzz