-er eee eef eel eem eer ees eet ef- efe eff efi efl efm efr efs eft eie eif eii eil eim eir eis eit eiu ele elf eli ell elm elr els elt elu em- eme emf emi eml emm emr ems emt emu ere erf eri erl erm err ers ert eru es- ese esf esi esl esm esr ess est esu ete etf eti etl etm etr ets ett etu eu- eue euf eui eul eur eus eut fee fef fei fel fem fer fes fet feu ffe fff ffi ffl ffm ffr ffs fft ffu fie fif fii fil fim fir fis fit fiu fle flf fli fll flm flr fls flt flu fme fmf fmi fml fmm fmr fms fmt fmu fre frf fri frl frm frr frs frt fru fse fsf fsi fsl fsm fsr fss fst fsu fte ftf fti ftl ftm ftr fts ftt ftu fue fuf fui ful fum fur fus fut fuu i-f ie- iee ief iei iel iem ier ies iet ife iff ifi ifl ifm ifr ifs ift ifu iie iif iii iil iim iir iis iit iiu il- ile ilf ili ill ilm ilr ils ilt ilu im- ime imf imi iml imm ims imt imu ir- ire irf iri irl irm irr irs irt iru is- ise isf isi isl ism isr iss ist isu ite itf iti itl itm its itt itu iu- iue iui ium iur ius iut lee lef lei lel lem ler les let leu lfe lff lfi lfl lfm lfr lfs lft lfu lie lif lii lil lim lir lis lit liu lle llf lli lll llm llr lls llt llu lme lmf lmi lml lmm lmr lms lmt lmu lrf lri lrm lrr lrs lrt lru lse lsf lsi lsl lsm lsr lss lst lsu lte ltf lti ltl ltm ltr lts ltt ltu lue luf lui lul lum lur lus lut luu m-f m-r mee mef mei mel mem mer mes met meu mfe mff mfi mfl mfm mfr mfs mft mfu mi- mie mif mii mil mim mir mis mit miu mle mlf mli mll mlm mlr mls mlt mlu mme mmf mmi mml mmm mmr mms mmt mmu mre mrf mri mrl mrm mrr mrs mrt mru mse msf msi msl msm msr mss mst msu mte mtf mti mtl mtm mtr mts mtt mtu mue muf mui mul mum mur mus mut muu re- ree ref rei rel rem rer res ret reu rfe rff rfi rfl rfm rfr rfs rft rfu rie rif rii ril rim rir ris rit rle rlf rli rll rlm rlr rls rlt rlu rme rmf rmi rml rmm rmr rms rmt rrf rri rrl rrm rrr rrs rrt rru rse rsf rsi rsl rsm rsr rss rst rsu rte rtf rti rtl rtm rtr rts rtt rtu rue ruf rui rum rur rus rut ruu se- see sef sei sel sem ser ses set seu sfe sff sfi sfl sfm sfr sfs sft sfu sie sif sii sil sim sir sis sit siu sle slf sli sll slm slr sls slt slu sme smf smi sml smm smr sms smt smu sr- sre srf sri srl srm srr srs srt ss- sse ssf ssi ssl ssm ssr sss sst ssu ste stf sti stl stm str sts stt stu sue suf sui sul sum sur sus sut suu te- tee tef tei tel tem ter tes tet teu tfe tff tfi tfl tfm tfr tfs tft tfu tie tif tii til tim tir tis tit tiu tle tlf tli tll tlm tlr tls tlt tlu tme tmf tmi tml tmm tmr tms tmt tmu tre trf tri trl trm trr trs trt tru tse tsf tsi tsl tsm tsr tss tst tsu tte ttf tti ttl ttm ttr tts ttt ttu tue tuf tui tul tum tur tus tut tuu uee uef uei uel uem uer ues uet ufe uff ufi ufl ufm ufr ufs uft ufu uie uif uii uil uim uir uis uit uiu ule ulf uli ull ulm ulr uls ult ulu um- ume umf umi uml umm umr ums umt umu ur- ure urf uri url urm urr urs urt uru use usf usi usl usm usr uss ust usu ute utf uti utl utm utr uts utt utu uue uum uur uus uut uuu