-er eee eef eel eem een eer ees ef- efe eff efl efm efr efs ele elf ell elm eln elr els elu em- eme emf eml emm emn emr ems emu en- ene enf enl enm enn enr ens enu ere erf erl erm ern err ers eru es- ese esf esl esm esn esr ess esu eu- eue euf eul eun eur eus fee fef fel fem fen fer fes feu ffe fff ffl ffm ffn ffr ffs ffu fle flf fll flm fln flr fls flu fme fmf fml fmm fmn fmr fms fmu fne fnf fnl fnm fnn fnr fns fnu fre frf frl frm frn frr frs fru fse fsf fsl fsm fsn fsr fss fsu fue fuf ful fum fun fur fus fuu lee lef lel lem len ler les leu lfe lff lfl lfm lfn lfr lfs lfu lle llf lll llm lln llr lls llu lme lmf lml lmm lmn lmr lms lmu lne lnl lnm lnn lnr lns lnu lrf lrm lrn lrr lrs lru lse lsf lsl lsm lsn lsr lss lsu lue luf lul lum lun lur lus luu m-f m-r mee mef mel mem men mer mes meu mfe mff mfl mfm mfn mfr mfs mfu mle mlf mll mlm mln mlr mls mlu mme mmf mml mmm mmn mmr mms mmu mne mnf mnl mnm mnn mnr mns mnu mre mrf mrl mrm mrn mrr mrs mru mse msf msl msm msn msr mss msu mue muf mul mum mun mur mus muu ne- nee nef nel nem nen ner nes neu nfe nff nfl nfn nfr nfs nfu nle nlf nll nlm nln nlr nls nlu nme nml nmm nmn nmr nms nmu nne nnf nnl nnm nnn nns nnu nre nrf nrl nrm nrn nrr nrs nru nse nsf nsl nsm nsn nsr nss nsu nue nul num nun nur nus nuu re- ree ref rel rem ren rer res reu rfe rff rfl rfm rfn rfr rfs rfu rle rlf rll rlm rln rlr rls rlu rme rmf rml rmm rmn rmr rms rnm rnn rnr rns rnu rrf rrl rrm rrn rrr rrs rru rse rsf rsl rsm rsn rsr rss rsu rue ruf rum run rur rus ruu se- see sef sel sem sen ser ses seu sfe sff sfl sfm sfn sfr sfs sfu sle slf sll slm sln slr sls slu sme smf sml smm smn smr sms smu sne snf snl snm snn snr sns snu sr- sre srf srl srm srn srr srs ss- sse ssf ssl ssm ssn ssr sss ssu sue suf sul sum sun sur sus suu uee uef uel uem uen uer ues ufe uff ufl ufm ufn ufr ufs ufu ule ulf ull ulm uln ulr uls ulu um- ume umf uml umm umn umr ums umu un- une unf unl unm unn unr uns unu ur- ure urf url urm urn urr urs uru use usf usl usm usn usr uss usu uue uum uun uur uus uuu