-ene -ine eeee eiei eien eier eine eini eipr eire eirn enee ener enin enne enni ennu enp- enpi enri enue enur epee epen eper epi- epie epin epip eppp eprp erei eren erer erie erin eriu erne erni erpe erre erur euer euin eur- eure ieie iere ieri iiie iiii inee ineu inne inni innr innu inp- inpe inpi inpp inre inri inui inun inup ipen iper ipie ipin ippr ipri ipur iree iren irer iri- irie irin irip irne irpe irre irri irun iuiu iupp n-ii n-up neei neen neep neer nein neip neir nene neni nenu nepe nepi nepr nere neri nerr neru neue neun neur neuu nien nier niip niir niiu nine nini nipe nipr nire niru niue niur nnnn nnpi nnpr npin npri nren nrpn nuee nuer nuin nune nunn nupe nure nuri nurn nurp nurr nuru peen peep peer pein peip peir pen- pene peni penn penu pepe pepi per- pere peri pern perp perr peru peun peur pien piep pier piip pine pini pinn pinp pinu pipe pipi pipp pire piri pirn pirr piru pneu pnin pnpp pnup ppen pper ppie pppn pppp ppru ppur pre- pree pren prep preu pri- prie prii prin prnp prri prue pruu pu-e puer pueu puin puir puiu pune punu pupe pupi pupu pur- pure puri purp purr puru reen reep reii rein reir reiu rene reni renn renu repe repi repp repr repu rere reri reru reue reup reuu rien riep rier rieu riin rine rinn ripe ripi ripp ripr rire riri riue rnie rnin rpii rppn rrrr rrun ruen ruer ruin rune runi runn rupe rupp rure ruri rurp ruru ruun u-ie u-rp uein ueir uepi uipi uirr unee unen uner uni- unie unii unin unir unne unni upen upie upin upne upnp uppe uppp uppu upri upup ure- urie urin uriu urne urni urre urri urun urup urur uuen uuni uuri uuuu