-er -up eee eem eep eer ees eet eie eii eim eip eir eis eit eiu em- eme emi emm emp emr ems emt emu ep- epe epi epm epp epr eps ept epu ere eri erm erp err ers ert eru es- ese esi esm esp esr ess est esu ete eti etm etp etr ets ett etu eu- eue eui eup eur eus eut ie- iee iei iem iep ier ies iet iie iii iim iip iir iis iit iiu im- ime imi imm imp ims imt imu ipe ipi ipm ipp ipr ips ipt ipu ir- ire iri irm irp irr irs irt iru is- ise isi ism isp isr iss ist isu ite iti itm itp its itt itu iu- iue iui ium iup iur ius iut m-r mee mei mem mep mer mes met meu mi- mie mii mim mip mir mis mit miu mme mmi mmm mmp mmr mms mmt mmu mpe mpi mpm mpp mpr mps mpt mpu mre mri mrm mrp mrr mrs mrt mru mse msi msm msp msr mss mst msu mte mti mtm mtp mtr mts mtt mtu mue mui mum mup mur mus mut muu p-p pee pei pem pep per pes pet peu pie pii pim pip pir pis pit piu pme pmi pmm pmp pmr pms pmt pmu ppe ppi ppm ppp ppr pps ppt ppu pre pri prm prp prr prs prt pru ps- pse psi psm psp psr pss pst psu pt- pte pti ptm ptp ptr pts ptt ptu pue pui pum pup pur pus put puu re- ree rei rem rep rer res ret reu rie rii rim rip rir ris rit rme rmi rmm rmp rmr rms rmt rpe rpi rpm rpp rpr rps rpt rpu rri rrm rrp rrr rrs rrt rru rse rsi rsm rsp rsr rss rst rsu rte rti rtm rtp rtr rts rtt rtu rue rui rum rup rur rus rut ruu se- see sei sem sep ser ses set seu sie sii sim sip sir sis sit siu sme smi smm smp smr sms smt smu spe spi spm spp spr sps spt spu sr- sre sri srm srp srr srs srt ss- sse ssi ssm ssp ssr sss sst ssu ste sti stm stp str sts stt stu sue sui sum sup sur sus sut suu te- tee tei tem tep ter tes tet teu tie tii tim tip tir tis tit tiu tme tmi tmm tmp tmr tms tmt tmu tpe tpi tpm tpp tpr tps tpt tpu tre tri trm trp trr trs trt tru tse tsi tsm tsp tsr tss tst tsu tte tti ttm ttp ttr tts ttt ttu tue tui tum tup tur tus tut tuu uee uei uem uep uer ues uet uie uii uim uip uir uis uit uiu um- ume umi umm ump umr ums umt umu up- upe upi upm upp upr ups upt upu ur- ure uri urm urp urr urs urt uru use usi usm usp usr uss ust usu ute uti utm utp utr uts utt utu uue uum uur uus uut uuu