-er eee eef eel eem een eer ees eet ef- efe eff efl efm efr efs eft ele elf ell elm eln elr els elt elu em- eme emf eml emm emn emr ems emt emu en- ene enf enl enm enn enr ens ent enu ere erf erl erm ern err ers ert eru es- ese esf esl esm esn esr ess est esu ete etf etl etm etn etr ets ett etu eu- eue euf eul eun eur eus eut fee fef fel fem fen fer fes fet feu ffe fff ffl ffm ffn ffr ffs fft ffu fle flf fll flm fln flr fls flt flu fme fmf fml fmm fmn fmr fms fmt fmu fne fnf fnl fnm fnn fnr fns fnt fnu fre frf frl frm frn frr frs frt fru fse fsf fsl fsm fsn fsr fss fst fsu fte ftf ftl ftm ftn ftr fts ftt ftu fue fuf ful fum fun fur fus fut fuu lee lef lel lem len ler les let leu lfe lff lfl lfm lfn lfr lfs lft lfu lle llf lll llm lln llr lls llt llu lme lmf lml lmm lmn lmr lms lmt lmu lne lnl lnm lnn lnr lns lnt lnu lrf lrm lrn lrr lrs lrt lru lse lsf lsl lsm lsn lsr lss lst lsu lte ltf ltl ltm ltr lts ltt ltu lue luf lul lum lun lur lus lut luu m-f m-r mee mef mel mem men mer mes met meu mfe mff mfl mfm mfn mfr mfs mft mfu mle mlf mll mlm mln mlr mls mlt mlu mme mmf mml mmm mmn mmr mms mmt mmu mne mnf mnl mnm mnn mnr mns mnt mnu mre mrf mrl mrm mrn mrr mrs mrt mru mse msf msl msm msn msr mss mst msu mte mtf mtl mtm mtn mtr mts mtt mtu mue muf mul mum mun mur mus mut muu ne- nee nef nel nem nen ner nes net neu nfe nff nfl nfn nfr nfs nft nfu nle nlf nll nlm nln nlr nls nlt nlu nme nml nmm nmn nmr nms nmt nmu nne nnf nnl nnm nnn nns nnt nnu nre nrf nrl nrm nrn nrr nrs nrt nru nse nsf nsl nsm nsn nsr nss nst nsu nte ntf ntm ntn ntr nts ntt ntu nue nul num nun nur nus nut nuu re- ree ref rel rem ren rer res ret reu rfe rff rfl rfm rfn rfr rfs rft rfu rle rlf rll rlm rln rlr rls rlt rlu rme rmf rml rmm rmn rmr rms rmt rnm rnn rnr rns rnt rnu rrf rrl rrm rrn rrr rrs rrt rru rse rsf rsl rsm rsn rsr rss rst rsu rte rtf rtl rtm rtn rtr rts rtt rtu rue ruf rum run rur rus rut ruu se- see sef sel sem sen ser ses set seu sfe sff sfl sfm sfn sfr sfs sft sfu sle slf sll slm sln slr sls slt slu sme smf sml smm smn smr sms smt smu sne snf snl snm snn snr sns snt snu sr- sre srf srl srm srn srr srs srt ss- sse ssf ssl ssm ssn ssr sss sst ssu ste stf stl stm stn str sts stt stu sue suf sul sum sun sur sus sut suu te- tee tef tel tem ten ter tes tet teu tfe tff tfl tfm tfn tfr tfs tft tfu tle tlf tll tlm tln tlr tls tlt tlu tme tmf tml tmm tmn tmr tms tmt tmu tne tnf tnl tnm tnn tnr tns tnt tre trf trl trm trn trr trs trt tru tse tsf tsl tsm tsn tsr tss tst tsu tte ttf ttl ttm ttn ttr tts ttt ttu tue tuf tul tum tun tur tus tut tuu uee uef uel uem uen uer ues uet ufe uff ufl ufm ufn ufr ufs uft ufu ule ulf ull ulm uln ulr uls ult ulu um- ume umf uml umm umn umr ums umt umu un- une unf unl unm unn unr uns unt unu ur- ure urf url urm urn urr urs urt uru use usf usl usm usn usr uss ust usu ute utf utl utm utn utr uts utt utu uue uum uun uur uus uut uuu