-ene -ine eeee eevn eiei eien eier eine eini eipr eire eirn en-v enee ener enin enne enni enp- enpi enri envi epee epen eper epi- epie epin epip eppp eprp erei eren erer erev erie erin erne erni erpe erre erve ervi even ever evie evin evir evre ieie iere ieri iiie iiii inee inne inni innr inp- inpe inpi inpp inre inri ipen iper ipie ipin ippr ipri iree iren irer iri- irie irin irip irne irpe irre irri iven iver ivie ivin ivre n-ii neei neen neep neer neev nein neip neir nene neni nepe nepi nepr nere neri nerr nerv neve nevi nien nier niip niir nine nini nipe nipr nire nirv nive nivr nnnn nnpi nnpr npin npiv npri nren nrpn nvir nvpi peen peep peer peev pein peip peir pen- pene peni penn pepe pepi per- pere peri pern perp perr perv pien piep pier piip pine pini pinn pinp pipe pipi pipp pire piri pirn pirr pnin pnpp ppen pper ppie pppn pppp pre- pree pren prep prev pri- prie prii prin priv prnp prri reen reep reev reii rein reir rene reni renn repe repi repp repr rere reri reve revi revp rien riep rier riin rine rinn ripe ripi ripp ripr rire riri rive rivp rnie rnin rnpv rpii rppn rrrr rver veen veep veer veie veii vein veip veir ven- vene veni venn vepe vepr ver- vere veri vern veve vevi vien vier viii vine vini vipr vire viri virr vive vivi vnir vrin vrnn vrpn vver vvvv