eee eef eel eem eep eet ef- efe eff efi efl efm efp eft eie eif eii eil eim eip eit ele elf eli ell elm elp elt em- eme emf emi eml emm emp emt ep- epe epf epi epl epm epp ept ete etf eti etl etm etp ett fee fef fei fel fem fep fet ffe fff ffi ffl ffm ffp fft fie fif fii fil fim fip fit fle flf fli fll flm flp flt fme fmf fmi fml fmm fmp fmt fpe fpi fpl fpm fpp fpt fte ftf fti ftl ftm ftp ftt i-f ie- iee ief iei iel iem iep iet ife iff ifi ifl ifm ifp ift iie iif iii iil iim iip iit il- ile ilf ili ill ilm ilp ilt im- ime imf imi iml imm imp imt ipe ipf ipi ipl ipm ipp ipt ite itf iti itl itm itp itt l-p lee lef lei lel lem lep let lfe lff lfi lfl lfm lfp lft lie lif lii lil lim lip lit lle llf lli lll llm llp llt lme lmf lmi lml lmm lmp lmt lpe lpf lpi lpl lpm lpp lpt lte ltf lti ltl ltm ltp ltt m-f mee mef mei mel mem mep met mfe mff mfi mfl mfm mfp mft mi- mie mif mii mil mim mip mit mle mlf mli mll mlm mlp mlt mme mmf mmi mml mmm mmp mmt mpe mpf mpi mpl mpm mpp mpt mte mtf mti mtl mtm mtp mtt p-p pee pef pei pel pem pep pet pfe pff pfi pfl pfm pfp pft pie pif pii pil pim pip pit ple plf pli pll plm plp plt pme pmf pmi pml pmm pmp pmt ppe ppf ppi ppl ppm ppp ppt pt- pte ptf pti ptl ptm ptp ptt te- tee tef tei tel tem tep tet tfe tff tfi tfl tfm tfp tft tie tif tii til tim tip tit tle tlf tli tll tlm tlp tlt tme tmf tmi tml tmm tmp tmt tpe tpf tpi tpl tpm tpp tpt tte ttf tti ttl ttm ttp ttt