e-one eeeee eenie eepee eieio einen einin enion ennin ennio enone enope enpo epeen epene epine epion epone eppie i-pin iepe iiiee iiiii ineni inini inio inio- inion inipi innie inone inpen iono- ioooi ioooo ipini ippee ippei ippen ippon n-p-n nenni nenno neope neppe niene niepe niiip ninee nineo ninon ninpo nione niono niopo nipin nippo nnooo no-ip no-no no-op nonin nonio nonne nonni nonno nonop noone nopep nopie noppe oenin oeno- oenoe oeppo oino- oinoi onein onene oneno oneon oneop onin onine onion onne- onnen onone onoon onpop ooioo oonin ooooo opepe opio- opnin opone oppie oppin oppon p-n-p peein peene peine peion pene- penii penin penne penni penon peone pepee pepin pepoi pepon peppe peppi piein pieni pieno pinin pinn- pinne pinni pinno pinon pione pippi pippo pneo- po-on po-po poeni poine ponin ponne ponni poope poopo popin popoi popon popop poppe poppi poppo