-er -up eee eef eek een eep eer ees ef- efe eff efp efr efs eke ekf ekp ekr eks eku en- ene enf enk enn enp enr ens enu ep- epe epf epn epp epr eps epu ere erf erk ern erp err ers eru es- ese esf esk esn esp esr ess esu eu- eue euf eun eup eur eus fee fef fek fen fep fer fes feu ffe fff ffk ffn ffp ffr ffs ffu fkf fkk fkp fne fnf fnk fnn fnp fnr fns fnu fpe fpk fpn fpp fpr fps fpu fre frf frk frn frp frr frs fru fse fsf fsk fsn fsp fsr fss fsu fue fuf fuk fun fup fur fus fuu ke- kee kef kek ken kep ker kes kff kfs kfu kke kkk kkn kkp kkr kks kku kn- kne knf knk knn knp knr knu kpe kpf kpk kpn kpp kpr kps kpu krf krk krn krp krr krs kru kse ksf ksk ksn ksp ksr kss ksu kue kuk kun kup kur kus kuu ne- nee nef nek nen nep ner nes neu nfe nff nfk nfn nfp nfr nfs nfu nke nkf nkk nkn nkp nkr nks nku nne nnf nnk nnn nnp nns nnu npe npf npn npp npr nps npu nre nrf nrk nrn nrp nrr nrs nru nse nsf nsk nsn nsp nsr nss nsu nue nuk nun nup nur nus nuu p-p pee pef pek pen pep per pes peu pfe pff pfk pfn pfp pfr pfs pfu pke pkf pkn pkp pkr pks pku pn- pne pnf pnk pnn pnp pnr pns pnu ppe ppf ppk ppn ppp ppr pps ppu pre prf prk prn prp prr prs pru ps- pse psf psk psn psp psr pss psu pue puf puk pun pup pur pus puu re- ree ref rek ren rep rer res reu rfe rff rfk rfn rfp rfr rfs rfu rke rkf rkk rkp rks rku rnn rnp rnr rns rnu rpe rpf rpk rpn rpp rpr rps rpu rrf rrk rrn rrp rrr rrs rru rse rsf rsk rsn rsp rsr rss rsu rue ruf ruk run rup rur rus ruu se- see sef sek sen sep ser ses seu sfe sff sfk sfn sfp sfr sfs sfu sk- ske skf skk skp skr sks sku sne snf snk snn snp snr sns snu spe spf spk spn spp spr sps spu sr- sre srf srk srn srp srr srs ss- sse ssf ssk ssn ssp ssr sss ssu sue suf suk sun sup sur sus suu uee uef uen uep uer ues ufe uff ufn ufp ufr ufs ufu uke ukf ukk ukn ukp ukr uku un- une unf unk unn unp unr uns unu up- upe upf upk upn upp upr ups upu ur- ure urf urk urn urp urr urs uru use usf usk usn usp usr uss usu uue uun uur uus uuu

-ene eeee eees eefe eefn eeke eeks eens eeps eers eese eesk efen efes effs efke ekek eken eker ekes ekne ekpe ekur enee ener enes enfp enke enkr enne enns ennu enp- enrs ense ensu enue enuf enur enus epee epen eper epes epns eppp epps eprp eprs epsf epsp epss epus eren erer eres erfs erke erks erne erns erpe erps erre errs erse erur erus esee esek esen eser eses esfp esfs eske esks esku esne espe espn espp esps esse essp essu esuf esus euer eur- eure euse f--k feek feen feer fees fefe feff feke fene fenk fenn fens feps fere ferk fern ferr fers feru fese fess feus ffee ffff ffps ffrr ffss ffun fnrs fnsp fnuf fprf free fren frep fres frns frps frue frun fspf fssf fssp fuff fufu fuke fukk fuku fune funf funk funs fur- fure furn furr furs fuse fusk fuss fusu keef keek keen keep keer kees keff kefr kefs keke keks keku ken- kene kenk kenn kenr kens kenu kep- kepe kepn keps kepu ker- kere kerf kerk kern kerp kerr kers keru kesk kesn kesp kesr kess keun keup keur keus kfer kfff kffk kffn kfnf kfnk kfnn kfns kfpr kfre kfrn kfrp kfrr kfrs kfru kfse kfsk kfsp kfsr kfun kken kkfn kkfr kkfs kkkk kkne kknn kkns kknu kkpk kkpn kkps kkre kkrf kkrk kkrn kkrr kkrs kkse kksf kksn kksp kksr kkss kksu kkup kkus kkuu knee knef knek knen knep knes kneu knfr knkk knnk knnr knns knpr knrk knrs knse knsk knsn knsp knsr knss knsu knue knuk knur knus kpek kper kpfk kpfn kpfr kpke kpkk kpkr kpne kpnp kpns kppk kppp kppr kpre kprf kprk kprn kprp kprr kprs kpru kpsf kpsp kpsu kpur kpus kree kref krek kren kres kreu krfe krff krfn krfp krfs krke krkk krkn krkr krks krku krne krnk krnn krnp krnu krpr krps krpu krre krrf krrk krrn krrr krrs krse krsf krsk krsn krsr krss krsu krue kruf kruk krun krup krur ksee ksek ksen ksep kser ksfe ksfn ksfr kske kskf kskk kskn kskr ksks ksku ksnf ksnk ksnn ksnp ksnr ksns kspe kspk kspn kspr ksps ksrf ksrn ksrp ksrr ksrs ksse kssn kssr ksss kssu ksue ksun ksup ksuu kuek kuen kues kueu kuff kufn kufr kuke kukk kukn kuks kuku kune kunk kunp kunr kuns kunu kupe kupr kups kupu kure kurk kurr kurs kuru kusf kusn kusp kusu kuuk kuur kuuu n-up neef neen neep neer nees nefe neff nefs neke neku nene nens nenu nepe nepr neps nere nerf nerk nerr ners neru nese nesn nesr ness neue neuf neuk neun neur neuu nfer nfff nfps nfrs nfsr nfsu nkrf nksp nnes nnnn nnpr nnss npes npss nren nrpn nrps nrsp nsep nser nsfk nsfs nskk nsnr nsps nsse nssf nssp nssr nsss nuee nuer nuff nuke nuku nune nunk nunn nuns nupe nups nure nurn nurp nurr nurs nuru nuse nuss nusu nuuk peek peen peep peer pees peff pefs peke pekk pen- pene penk penn