-er eee eef eem een eeo eep eer eet ef- efe eff efm efo efp efr eft em- eme emf emm emn emo emp emr emt en- ene enf enm enn eno enp enr ent eo- eoe eof eom eon eoo eop eor eot ep- epe epf epm epn epo epp epr ept ere erf erm ern ero erp err ert ete etf etm etn eto etp etr ett fee fef fem fen feo fep fer fet ffe fff ffm ffn ffo ffp ffr fft fme fmf fmm fmn fmo fmp fmr fmt fne fnf fnm fnn fnp fnr fnt foe fof fom fon foo fop for fot fpe fpm fpn fpo fpp fpr fpt fre frf frm frn fro frp frr frt fte ftf ftm ftn fto ftp ftr ftt m-f m-o m-r mee mef mem men meo mep mer met mfe mff mfm mfn mfo mfp mfr mft mme mmf mmm mmn mmo mmp mmr mmt mne mnf mnm mnn mno mnp mnr mnt moe mof mom mon moo mop mor mot mpe mpf mpm mpn mpo mpp mpr mpt mre mrf mrm mrn mro mrp mrr mrt mte mtf mtm mtn mto mtp mtr mtt ne- nee nef nem nen neo nep ner net nfe nff nfn nfo nfp nfr nft nme nmm nmn nmo nmp nmr nmt nne nnf nnm nnn nno nnp nnt no- noe nof nom non noo nop nor not npe npf npm npn npo npp npr npt nre nrf nrm nrn nro nrp nrr nrt nte ntf ntm ntn nto ntp ntr ntt oee oef oem oen oeo oep oer oet of- ofe off ofm ofn ofo ofp ofr oft om- ome omf omm omn omo omp omr omt on- one onf onn ono onp onr ont oo- oof oom oon ooo oop oor oot op- ope opf opm opn opo opp opr opt or- ore orf orm orn oro orp orr ort ot- ote otf otm otn oto otp otr ott p-p pee pef pem pen peo pep per pet pfe pff pfm pfn pfo pfp pfr pft pme pmf pmm pmn pmo pmp pmr pmt pn- pne pnf pnm pnn pno pnp pnr pnt poe pof pom pon poo pop por pot ppe ppf ppm ppn ppo ppp ppr ppt pre prf prm prn pro prp prr prt pt- pte ptf ptm ptn pto ptp ptr ptt re- ree ref rem ren reo rep rer ret rfe rff rfm rfn rfo rfp rfr rft rme rmf rmm rmn rmo rmp rmr rmt rnm rnn rno rnp rnr rnt roe rof rom ron roo rop ror rot rpe rpf rpm rpn rpo rpp rpr rpt rrf rrm rrn rrp rrr rrt rte rtf rtm rtn rto rtp rtr rtt te- tee tef tem ten teo tep ter tet tfe tff tfm tfn tfo tfp tfr tft tme tmf tmm tmn tmo tmp tmr tmt tne tnf tnm tnn tno tnp tnr tnt to- toe tof tom ton too top tor tot tpe tpf tpm tpn tpo tpp tpr tpt tre trf trm trn tro trp trr trt tte ttf ttm ttn tto ttp ttr ttt