-er -up eee eem een eep eer eet em- eme emm emn emp emr emt emu en- ene enm enn enp enr ent enu ep- epe epm epn epp epr ept epu ere erm ern erp err ert eru ete etm etn etp etr ett etu eu- eue eun eup eur eut m-r mee mem men mep mer met meu mme mmm mmn mmp mmr mmt mmu mne mnm mnn mnp mnr mnt mnu mpe mpm mpn mpp mpr mpt mpu mre mrm mrn mrp mrr mrt mru mte mtm mtn mtp mtr mtt mtu mue mum mun mup mur mut muu ne- nee nem nen nep ner net neu nme nmm nmn nmp nmr nmt nmu nne nnm nnn nnp nnt nnu npe npm npn npp npr npt npu nre nrm nrn nrp nrr nrt nru nte ntm ntn ntp ntr ntt ntu nue num nun nup nur nut nuu p-p pee pem pen pep per pet peu pme pmm pmn pmp pmr pmt pmu pn- pne pnm pnn pnp pnr pnt pnu ppe ppm ppn ppp ppr ppt ppu pre prm prn prp prr prt pru pt- pte ptm ptn ptp ptr ptt ptu pue pum pun pup pur put puu re- ree rem ren rep rer ret reu rme rmm rmn rmp rmr rmt rnm rnn rnp rnr rnt rnu rpe rpm rpn rpp rpr rpt rpu rrm rrn rrp rrr rrt rru rte rtm rtn rtp rtr rtt rtu rue rum run rup rur rut ruu te- tee tem ten tep ter tet teu tme tmm tmn tmp tmr tmt tmu tne tnm tnn tnp tnr tnt tpe tpm tpn tpp tpr tpt tpu tre trm trn trp trr trt tru tte ttm ttn ttp ttr ttt ttu tue tum tun tup tur tut tuu uee uem uen uep uer uet um- ume umm umn ump umr umt umu un- une unm unn unp unr unt unu up- upe upm upn upp upr upt upu ur- ure urm urn urp urr urt uru ute utm utn utp utr utt utu uue uum uun uur uut uuu