-er eee eef eel eem een eer eet ef- efe eff efl efm efr eft ele elf ell elm eln elr elt elu em- eme emf eml emm emn emr emt emu en- ene enf enl enm enn enr ent enu ere erf erl erm ern err ert eru ete etf etl etm etn etr ett etu eu- eue euf eul eun eur eut fee fef fel fem fen fer fet feu ffe fff ffl ffm ffn ffr fft ffu fle flf fll flm fln flr flt flu fme fmf fml fmm fmn fmr fmt fmu fne fnf fnl fnm fnn fnr fnt fnu fre frf frl frm frn frr frt fru fte ftf ftl ftm ftn ftr ftt ftu fue fuf ful fum fun fur fut fuu lee lef lel lem len ler let leu lfe lff lfl lfm lfn lfr lft lfu lle llf lll llm lln llr llt llu lme lmf lml lmm lmn lmr lmt lmu lne lnl lnm lnn lnr lnt lnu lrf lrm lrn lrr lrt lru lte ltf ltl ltm ltr ltt ltu lue luf lul lum lun lur lut luu m-f m-r mee mef mel mem men mer met meu mfe mff mfl mfm mfn mfr mft mfu mle mlf mll mlm mln mlr mlt mlu mme mmf mml mmm mmn mmr mmt mmu mne mnf mnl mnm mnn mnr mnt mnu mre mrf mrl mrm mrn mrr mrt mru mte mtf mtl mtm mtn mtr mtt mtu mue muf mul mum mun mur mut muu ne- nee nef nel nem nen ner net neu nfe nff nfl nfn nfr nft nfu nle nlf nll nlm nln nlr nlt nlu nme nml nmm nmn nmr nmt nmu nne nnf nnl nnm nnn nnt nnu nre nrf nrl nrm nrn nrr nrt nru nte ntf ntm ntn ntr ntt ntu nue nul num nun nur nut nuu re- ree ref rel rem ren rer ret reu rfe rff rfl rfm rfn rfr rft rfu rle rlf rll rlm rln rlr rlt rlu rme rmf rml rmm rmn rmr rmt rnm rnn rnr rnt rnu rrf rrl rrm rrn rrr rrt rru rte rtf rtl rtm rtn rtr rtt rtu rue ruf rum run rur rut ruu te- tee tef tel tem ten ter tet teu tfe tff tfl tfm tfn tfr tft tfu tle tlf tll tlm tln tlr tlt tlu tme tmf tml tmm tmn tmr tmt tmu tne tnf tnl tnm tnn tnr tnt tre trf trl trm trn trr trt tru tte ttf ttl ttm ttn ttr ttt ttu tue tuf tul tum tun tur tut tuu uee uef uel uem uen uer uet ufe uff ufl ufm ufn ufr uft ufu ule ulf ull ulm uln ulr ult ulu um- ume umf uml umm umn umr umt umu un- une unf unl unm unn unr unt unu ur- ure urf url urm urn urr urt uru ute utf utl utm utn utr utt utu uue uum uun uur uut uuu