-ene -ine eeee eefe eefn eent eete efen efet effi efit eft- eftp eiei eien eier eine eini eipr eire eirn eiti eitr enee ener enfp enif enin enit enne enni enp- enpi enri ent- ente entp entr epee epen eper epi- epie epin epip epit eppp eprp epte erei eren erer eret erft erie erin erit erne erni erpe erre etee eten eter etfe etin etne etnr etre ette etti ettn feen feer feet fefe feff fefi feie fein feir feit fene feni fenn fent fere fern ferr fert fete feti fetp fetr fett ffee ffff ffii ffrr fftf fief fien fier fife fiff fifi fift fiii fine fini finn finp fint fipp fire firn fite fiti fitt fnet fpin fprf free frei fren frep fret frie frin frip frit ften fter ftii ftpe ieet ieie ient iere ieri ietf iett ifen ifer ifit ifni ifnr ifrf ifri iftn iiie iiii iiit iipf iitr iitt inee inet infi infp init inne inni innr inp- inpe inpi inpp inpt inre inri inti intn intp intr ipen iper ipet ipie ipin ippf ippr ipri iree iren irer irfe iri- irie irin irip irne irpe irre irri irte irtf irti irtp iten itep iter itet itie itif itin itrf itri ittf n-ii neef neei neen neep neer neet nefe neff nefi neif nein neip neir neit nene neni nent nepe nepi nepr nept nere nerf neri nerr nert net- nete neti nett nfer nfff nfip nief nien nier niet nife niff nift niip niir niit nine nini nipe nipr nipt nire nirt nite nitf niti nitr nnit nnnn nnpi nnpr nntn npif npin npri nprt npte nptn nren nrpn nter ntfp nttr peen peep peer peet peff pein peip peir peit pen- pene peni penn pent pepe pepi per- pere perf peri pern perp perr pert pete peti petn petr pett pfet pfff pffr pfft pfit pfte pien piep pier piet piff piip pine pini pinn pinp pint pipe pipi pipp pire piri pirn pirr pite pitf piti pitr pitt pnet pnin pnpp pntr ppen pper ppie ppif pppn pppp pprf pptn pptt pre- pree pref pren prep pret pri- prie prif prii prin prnp prri prti prtp prtr pten pter ptrf reef reen reep reet refe reff refi refn refr reft reif reii rein reir reit rene reni renn rent repe repi repp repr rept rere reri rert rete reti retr rett rfef rief rien riep rier riet rife riff rift riif riin rine rinf rinn ripe ripi ripp ripr ript rire riri rite riti ritt rnie rnin rnnt rntp rpet rpii rppn rptn rrif rrrr rtee rtei rttp teef teen teer teet teff tefi teft teie tein teip teir tene teni tenn tenp tent tepe tepi tepp ter- tere terf teri tern terp terr tete teti tetr tett tfin tfnp tfpt tftp tie- tiee tief tiei tien tiep tier tiet tiff tift tiit tine tini tinn tint tip- tipe tipi tipp tipt tire tiri tirr tite titi titp titt tnef tper tpir tppp tppr tpte tptp tptr tre- tree tref trei tren tret trfr tri- trie trif trin trip trit trpe trpn trpp trte trtr tten tter ttff ttfn tttt