c-one ccccc ceco- cecon ceene cegge cegne cence ceno- cenon ceoce cnngo cnnnn co-co cocc- cocce cocco coceo cocon coen- cogen cogne cogon con-g conco conge congo conne cono- conon cooee coone e-one eccen econo eeeee eence egene egeon eggen eggng eggon egone encge encog eneco enego engen enone gecco gegge genge gengo geno- geong go-go go-on go-oo gocco gocoo gogen gogne gogon gonc gonce gonen gongo gonne gonnn gonno gono- googe goone goong necco neece negon nengo nenno ngege ngong nnooo no-go no-no nonce nonne nonno noone oceno ocoee oeco- oeno- oenoe ogene ognen ognon ogogo ogone oncee onco- onene oneno oneon ongee ongon onne- onnen onone onoon ooooo