-er -up eee eem een eep eer ees eet em- eme emm emn emp emr ems emt emu en- ene enm enn enp enr ens ent enu ep- epe epm epn epp epr eps ept epu ere erm ern erp err ers ert eru es- ese esm esn esp esr ess est esu ete etm etn etp etr ets ett etu eu- eue eun eup eur eus eut m-r mee mem men mep mer mes met meu mme mmm mmn mmp mmr mms mmt mmu mne mnm mnn mnp mnr mns mnt mnu mpe mpm mpn mpp mpr mps mpt mpu mre mrm mrn mrp mrr mrs mrt mru mse msm msn msp msr mss mst msu mte mtm mtn mtp mtr mts mtt mtu mue mum mun mup mur mus mut muu ne- nee nem nen nep ner nes net neu nme nmm nmn nmp nmr nms nmt nmu nne nnm nnn nnp nns nnt nnu npe npm npn npp npr nps npt npu nre nrm nrn nrp nrr nrs nrt nru nse nsm nsn nsp nsr nss nst nsu nte ntm ntn ntp ntr nts ntt ntu nue num nun nup nur nus nut nuu p-p pee pem pen pep per pes pet peu pme pmm pmn pmp pmr pms pmt pmu pn- pne pnm pnn pnp pnr pns pnt pnu ppe ppm ppn ppp ppr pps ppt ppu pre prm prn prp prr prs prt pru ps- pse psm psn psp psr pss pst psu pt- pte ptm ptn ptp ptr pts ptt ptu pue pum pun pup pur pus put puu re- ree rem ren rep rer res ret reu rme rmm rmn rmp rmr rms rmt rnm rnn rnp rnr rns rnt rnu rpe rpm rpn rpp rpr rps rpt rpu rrm rrn rrp rrr rrs rrt rru rse rsm rsn rsp rsr rss rst rsu rte rtm rtn rtp rtr rts rtt rtu rue rum run rup rur rus rut ruu se- see sem sen sep ser ses set seu sme smm smn smp smr sms smt smu sne snm snn snp snr sns snt snu spe spm spn spp spr sps spt spu sr- sre srm srn srp srr srs srt ss- sse ssm ssn ssp ssr sss sst ssu ste stm stn stp str sts stt stu sue sum sun sup sur sus sut suu te- tee tem ten tep ter tes tet teu tme tmm tmn tmp tmr tms tmt tmu tne tnm tnn tnp tnr tns tnt tpe tpm tpn tpp tpr tps tpt tpu tre trm trn trp trr trs trt tru tse tsm tsn tsp tsr tss tst tsu tte ttm ttn ttp ttr tts ttt ttu tue tum tun tup tur tus tut tuu uee uem uen uep uer ues uet um- ume umm umn ump umr ums umt umu un- une unm unn unp unr uns unt unu up- upe upm upn upp upr ups upt upu ur- ure urm urn urp urr urs urt uru use usm usn usp usr uss ust usu ute utm utn utp utr uts utt utu uue uum uun uur uus uut uuu