-ene -ine eeee eevn eiei eien eine eini en-v enee enin enne enni enp- enpi envi epee epen epi- epie epin epip eppp even evie evin ieie iiie iiii inee inne inni inp- inpe inpi inpp ipen ipie ipin iven ivie ivin n-ii neei neen neep neev nein neip nene neni nepe nepi neve nevi nien niip nine nini nipe nive nnnn nnpi npin npiv nvpi peen peep peev pein peip pen- pene peni penn pepe pepi pien piep piip pine pini pinn pinp pipe pipi pipp pnin pnpp ppen ppie pppn pppp veen veep veie veii vein veip ven- vene veni venn vepe veve vevi vien viii vine vini vive vivi vvvv