-er eee eel eem eer ees eet ele ell elm elr els elt elu em- eme eml emm emr ems emt emu ere erl erm err ers ert eru es- ese esl esm esr ess est esu ete etl etm etr ets ett etu eu- eue eul eur eus eut lee lel lem ler les let leu lle lll llm llr lls llt llu lme lml lmm lmr lms lmt lmu lrm lrr lrs lrt lru lse lsl lsm lsr lss lst lsu lte ltl ltm ltr lts ltt ltu lue lul lum lur lus lut luu m-r mee mel mem mer mes met meu mle mll mlm mlr mls mlt mlu mme mml mmm mmr mms mmt mmu mre mrl mrm mrr mrs mrt mru mse msl msm msr mss mst msu mte mtl mtm mtr mts mtt mtu mue mul mum mur mus mut muu re- ree rel rem rer res ret reu rle rll rlm rlr rls rlt rlu rme rml rmm rmr rms rmt rrl rrm rrr rrs rrt rru rse rsl rsm rsr rss rst rsu rte rtl rtm rtr rts rtt rtu rue rum rur rus rut ruu se- see sel sem ser ses set seu sle sll slm slr sls slt slu sme sml smm smr sms smt smu sr- sre srl srm srr srs srt ss- sse ssl ssm ssr sss sst ssu ste stl stm str sts stt stu sue sul sum sur sus sut suu te- tee tel tem ter tes tet teu tle tll tlm tlr tls tlt tlu tme tml tmm tmr tms tmt tmu tre trl trm trr trs trt tru tse tsl tsm tsr tss tst tsu tte ttl ttm ttr tts ttt ttu tue tul tum tur tus tut tuu uee uel uem uer ues uet ule ull ulm ulr uls ult ulu um- ume uml umm umr ums umt umu ur- ure url urm urr urs urt uru use usl usm usr uss ust usu ute utl utm utr uts utt utu uue uum uur uus uut uuu