e-one eeeee eepee egene egeon eggen eggng eggon egone enego engen enone enope enpo epeen epene epone gegge genge gengo geno- geong geoop geppo go-go go-on go-oo go-op gogen gogne gogon gonen gongo gonne gonnn gonno gono- googe goone goong goppe n-p-n negon nengo nenno neope neppe ngege ngong nnooo no-go no-no no-op nonne nonno nonop noone nopep noppe oeno- oenoe oeppo ogene ognen ognon ogogo ogone onene oneno oneon oneop ongee ongon onne- onnen onone onoon onpop ooooo opepe opone oppon p-n-p peege peene peeng pegon pene- penge penne penon peone pepee pepon peppe pneo- po-on po-po pogge pogno pogon pongo ponne poope poopo popon popop poppe poppo ppong