eee eef eek eel eem een eep eet ef- efe eff efl efm efp eft eke ekf ekl ekp ekt ele elf elk ell elm eln elp elt em- eme emf emk eml emm emn emp emt en- ene enf enk enl enm enn enp ent ep- epe epf epl epm epn epp ept ete etf etk etl etm etn etp ett fee fef fek fel fem fen fep fet ffe fff ffk ffl ffm ffn ffp fft fkf fkk fkl fkm fkp fkt fle flf fll flm fln flp flt fme fmf fml fmm fmn fmp fmt fne fnf fnk fnl fnm fnn fnp fnt fpe fpk fpl fpm fpn fpp fpt fte ftf ftk ftl ftm ftn ftp ftt k-t ke- kee kef kek kel kem ken kep ket kff kfm kke kkk kkl kkm kkn kkp kkt kl- klf klm klt kme kmf kmk kml kmm kmp kmt kn- kne knf knk knl knm knn knp knt kpe kpf kpk kpl kpm kpn kpp kpt kte ktf ktk ktl ktm ktn ktp ktt l-p lee lef lek lel lem len lep let lfe lff lfk lfl lfm lfn lfp lft lkl lkp lkt lle llf llk lll llm lln llp llt lme lmf lmk lml lmm lmn lmp lmt lne lnk lnl lnm lnn lnp lnt lpe lpf lpk lpl lpm lpn lpp lpt lte ltf ltk ltl ltm ltp ltt m-f mee mef mek mel mem men mep met mfe mff mfl mfm mfn mfp mft mke mkk mkl mkm mkn mkp mkt mle mlf mlk mll mlm mln mlp mlt mme mmf mmk mml mmm mmn mmp mmt mne mnf mnk mnl mnm mnn mnp mnt mpe mpf mpk mpl mpm mpn mpp mpt mte mtf mtk mtl mtm mtn mtp mtt ne- nee nef nek nel nem nen nep net nfe nff nfk nfl nfn nfp nft nke nkf nkk nkm nkn nkp nkt nle nlf nlk nll nlm nln nlp nlt nme nmk nml nmm nmn nmp nmt nne nnf nnk nnl nnm nnn nnp nnt npe npf npl npm npn npp npt nte ntf ntk ntm ntn ntp ntt p-p pee pef pek pel pem pen pep pet pfe pff pfk pfl pfm pfn pfp pft pke pkf pkl pkm pkn pkp pkt ple plf plk pll plm pln plp plt pme pmf pmk pml pmm pmn pmp pmt pn- pne pnf pnk pnl pnm pnn pnp pnt ppe ppf ppk ppl ppm ppn ppp ppt pt- pte ptf ptk ptl ptm ptn ptp ptt te- tee tef tek tel tem ten tep tet tfe tff tfk tfl tfm tfn tfp tft tke tkk tkl tkm tkp tkt tle tlf tlk tll tlm tln tlp tlt tme tmf tmk tml tmm tmn tmp tmt tne tnf tnk tnl tnm tnn tnp tnt tpe tpf tpk tpl tpm tpn tpp tpt tte ttf ttk ttl ttm ttn ttp ttt