-ene -ine eeee eees eefe eefn eens eeps eers eese eesi efen efes effi effs efsi eiei eien eier eies eifs eine eini eins eipr eire eirn eirs eise eiss enee ener enes enfp enif enin enis enne enni enns enp- enpi enri enrs ense ensi epee epen eper epes epi- epie epin epip epis epns eppp epps eprp eprs epsf epsi epsp epss erei eren erer eres erfs erie erin eris erne erni erns erpe erps erre errs erse ersi esee esen eser eses esfp esfs esie esin esis esne espe espi espn espp esps esri esse essi essp feen feer fees fefe feff fefi feie fein feir feis fene feni fenn fens feps fere fern ferr fers fese fess ffee ffff ffii ffps ffrr ffss fief fien fier fies fife fiff fifi fiii fine fini finn finp fins fipp fips fire firn firs fise fisi fiss fnrs fnsp fpin fprf free frei fren frep fres frie frin frip fris frns frps fsfi fspf fssf fssp ieie iens iere ieri iers iesi iesr ifen ifer ifes ifis ifni ifnr ifns ifps ifrf ifri ifsp iies iiie iiii iiis iipf iirs iisi iisp iisr inee ines infi infp infs inis inne inni innr inns inp- inpe inpi inpp inre inri inrs inse insp inss ipen iper ipes ipie ipin ippf ippr ipri ipse ipsi ipsp ipss iree iren irer ires irfe iri- irie irin irip iris irne irpe irps irre irri irrs irse irsf irsp isee isen isep iser ises isfp isie isin isis ispe ispf ispr isps isri isrp isse issf issi issp issr isss n-ii neef neei neen neep neer nees nefe neff nefi nefs neif nein neip neir neis nene neni nens nepe nepi nepr neps nere nerf neri nerr ners nese nesi nesn nesr ness nfer nfff nfip nfps nfrs nfsr nief nien nier nies nife niff niip niir nine nini nins nipe nipr nips nire nirs nise nisi nisp niss nnes nnnn nnpi nnpr nnss npes npif npin npri npss nren nrpn nrps nrsp nsep nser nsfs nsin nsis nsnr nspi nsps nsse nssf nssp nssr nsss peen peep peer pees peff pefs pein peip peir peis pen- pene peni penn pens pepe pepi peps per- pere perf peri pern perp perr pers pese pesi pess pfff pffr pfis pfps pien piep pier pies piff pifs piip pine pini pinn pinp pins pipe pipi pipp pips pire piri pirn pirr pirs pise pisi piss pnes pnin pnpp ppen pper ppie ppif pppn pppp ppps pprf ppsf ppss pre- pree pref pren prep pres prfs pri- prie prif prii prin pris prnp prps prri prrs prse prsi prss psei psfs psip psis psni psnr pspi pspp pspr psps psrp psse reef reen reep rees refe reff refi refn refr refs reif reii rein reir reis rene reni renn rens repe repi repp repr reps rere reri rers rese resi resn resp ress rfef rief rien riep rier ries rife riff rifs riif riin riis rine rinf rinn ripe ripi ripp ripr rips rire riri rirs rise risi risp riss rnie rnin rnsp rpii rppn rpps rrif rrrr rrsp rsee rsis rsnn rsnr rsps rsre s-ii se-e se-f se-i se-n se-s seef seen seep seer sees seff sefi seie seif seii sein seip seir seis sene seni senn senr sens sepe sepi sepn sepp sepr seps sere serf seri sern serp serr sers sese sesi sess sfer sfne sfss sief sien sier sies sife siff sifr sine sini sinn sinp sins sipe sipi sipp sips sire sirf siri sirp sirr sirs sise sisi siss snee snep sner snes snie snip snir snns snpp snrs spee spef spen sper spes spfs spie spin spip spir spis spne spns sppf spps spri sprs spse spsp spss sres srfi sris srni srnn srps srsp ssee ssep sses ssfp ssin ssis ssns sspe sspf ssps ssri ssrs sssf sssi ssss