-er eee eek een eep eer ees eie eii eik ein eip eir eis eke eki ekp ekr eks en- ene eni enk enn enp enr ens ep- epe epi epn epp epr eps ere eri erk ern erp err ers es- ese esi esk esn esp esr ess ie- iee iei iek ien iep ier ies iie iii iin iip iir iis ike iki ikk ikr iks in- ine ini ink inn inp inr ins ipe ipi ipn ipp ipr ips ir- ire iri irk irn irp irr irs is- ise isi isk isn isp isr iss ke- kee kei kek ken kep ker kes kie kii kik kin kip kir kis kke kki kkk kkn kkp kkr kks kn- kne kni knk knn knp knr kpe kpi kpk kpn kpp kpr kps kri krk krn krp krr krs kse ksi ksk ksn ksp ksr kss n-i ne- nee nei nek nen nep ner nes nie nii nik nin nip nir nis nke nki nkk nkn nkp nkr nks nne nni nnk nnn nnp nns npe npi npn npp npr nps nre nri nrk nrn nrp nrr nrs nse nsi nsk nsn nsp nsr nss p-p pee pei pek pen pep per pes pie pii pik pin pip pir pis pke pki pkn pkp pkr pks pn- pne pni pnk pnn pnp pnr pns ppe ppi ppk ppn ppp ppr pps pre pri prk prn prp prr prs ps- pse psi psk psn psp psr pss re- ree rei rek ren rep rer res rie rii rik rin rip rir ris rke rkk rkp rks rni rnn rnp rnr rns rpe rpi rpk rpn rpp rpr rps rri rrk rrn rrp rrr rrs rse rsi rsk rsn rsp rsr rss se- see sei sek sen sep ser ses sie sii sik sin sip sir sis sk- ske ski skk skp skr sks sne sni snk snn snp snr sns spe spi spk spn spp spr sps sr- sre sri srk srn srp srr srs ss- sse ssi ssk ssn ssp ssr sss

-ene -ine -nik eeee eees eeke eeks eens eeps eers eese eesi eesk eiei eien eier eies eike eiki eiks eine eini eink eins eipr eire eirn eirs eise eisk eiss ekek eken eker ekes ekis ekki ekne ekpe eksi enee ener enes enik enin enis enke enki enkr enne enni enns enp- enpi enri enrs ense ensi epee epen eper epes epi- epie epik epin epip epis epns eppp epps eprp eprs epsi epsp epss erei eren erer eres erie erik erin eris erke erki erks erne erni erns erpe erps erre errs erse ersi esee esek esen eser eses esie esik esin esis eske esks esne espe espi espn espp esps esri esse essi essp ieie iens iere ieri iers iesi iesr iies iiie iiii iiis iirs iisi iisp iisr ikee iken iker ikes ikin ikki ikri inee inek ines inis inke inki inks inne inni innr inns inp- inpe inpi inpp inre inri inrs inse insp inss ipek ipen iper ipes ipie ipin ippr ipri ipse ipsi ipsp ipss iree iren irer ires iri- irie irin irip iris irki irks irne irpe irps irre irri irrs irse irsp isee isen isep iser ises isie isin isis ispe ispr isps isri isrp isse issi issp issr isss keek keen keep keer kees keii keik kein keir keis keke keki keks ken- kene keni kenk kenn kenr kens kep- kepe kepi kepn keps ker- kere keri kerk kern kerp kerr kers kesi kesk kesn kesp kesr kess kien kier kies kiii kiik kiip kiis kiki kikk kikr kin- kine kini kink kinn kins kip- kipe kipi kipp kipr kips kiri kirk kirn kirp kirr kirs kise kisi kisk kisn kisr kiss kken kkik kkin kkkk kkne kkni kknn kkns kkpk kkpn kkps kkre kkrk kkrn kkrr kkrs kkse kksi kksn kksp kksr kkss knee knek knen knep knes knie knik knin knip knir knis knki knkk knnk knnr knns knpr knrk knrs knse knsi knsk knsn knsp knsr knss kpek kper kpin kpir kpke kpkk kpkr kpne kpni kpnp kpns kppk kppp kppr kpre kpri kprk kprn kprp kprr kprs kpsi kpsp kree krei krek kren kres krik krin kris krke krki krkk krkn krkr krks krne krni krnk krnn krnp krpi krpr krps krre krri krrk krrn krrr krrs krse krsk krsn krsr krss ksee ksei ksek ksen ksep kser ksii ksik ksip ksir ksis kske kskk kskn kskr ksks ksnk ksnn ksnp ksnr ksns kspe kspi kspk kspn kspr ksps ksrn ksrp ksrr ksrs ksse kssi kssn kssr ksss n-ii neei neen neep neer nees nein neip neir neis neke nene neni nens nepe nepi nepr neps nere neri nerk nerr ners nese nesi nesn nesr ness nien nier nies niip niir nike niki niks nine nini nins nipe nipr nips nire nirs nise nisi nisp niss nksp nnes nnnn nnpi nnpr nnss npes npin npri npss nren nrpn nrps nrsp nsep nser nsin nsis nskk nsnr nspi nsps nsse nssp nssr nsss peek peen peep peer pees pein peip peir peis peke peki pekk pen- pene peni penk penn pens pepe pepi peps per- pere peri perk pern perp perr pers pese pesi pess pien piep pier pies piip pike piki pikk piks pine pini pink pinn pinp pins pipe pipi pipp pips pire piri pirk pirn pirr pirs pise pisi pisk piss pkin pnes pnin pnkp pnpp ppen pper ppie pppn pppp ppps ppss pre- pree prek pren prep pres pri- prie prii prin pris prnp prps prri prrs prse prsi prss psei psip psis psni psnr pspi pspp pspr psps psrk psrp psse reek reen reep rees reii reik rein reir reis reke reki reks rene reni renk renn rens repe repi repp repr reps rere reri rers rese resi resn resp ress riek rien riep rier ries riin riis rike riki rikk rine rink rinn ripe ripi ripp ripr rips rire riri rirs rise risi risk risp riss rkss rnie