-er eee eem eeo eep eer ees eet eie eii eim eio eip eir eis eit em- eme emi emm emo emp emr ems emt eo- eoe eoi eom eoo eop eor eos eot ep- epe epi epm epo epp epr eps ept ere eri erm ero erp err ers ert es- ese esi esm eso esp esr ess est ete eti etm eto etp etr ets ett ie- iee iei iem iep ier ies iet iie iii iim iio iip iir iis iit im- ime imi imm imo imp ims imt io- ioe ioi iom ioo iop ior ios iot ipe ipi ipm ipo ipp ipr ips ipt ir- ire iri irm iro irp irr irs irt is- ise isi ism iso isp isr iss ist ite iti itm ito itp its itt m-o m-r mee mei mem meo mep mer mes met mi- mie mii mim mio mip mir mis mit mme mmi mmm mmo mmp mmr mms mmt moe moi mom moo mop mor mos mot mpe mpi mpm mpo mpp mpr mps mpt mre mri mrm mro mrp mrr mrs mrt mse msi msm mso msp msr mss mst mte mti mtm mto mtp mtr mts mtt o-i oee oei oem oeo oep oer oes oet oie oii oim oio oip oir ois oit om- ome omi omm omo omp omr oms omt oo- ooi oom ooo oop oor oos oot op- ope opi opm opo opp opr ops opt or- ore ori orm oro orp orr ors ort os- ose osi osm oso osp osr oss ost ot- ote oti otm oto otp otr ots ott p-p pee pei pem peo pep per pes pet pie pii pim pio pip pir pis pit pme pmi pmm pmo pmp pmr pms pmt poe poi pom poo pop por pos pot ppe ppi ppm ppo ppp ppr pps ppt pre pri prm pro prp prr prs prt ps- pse psi psm pso psp psr pss pst pt- pte pti ptm pto ptp ptr pts ptt re- ree rei rem reo rep rer res ret rie rii rim rio rip rir ris rit rme rmi rmm rmo rmp rmr rms rmt roe roi rom roo rop ror ros rot rpe rpi rpm rpo rpp rpr rps rpt rri rrm rrp rrr rrs rrt rse rsi rsm rso rsp rsr rss rst rte rti rtm rto rtp rtr rts rtt se- see sei sem seo sep ser ses set sie sii sim sio sip sir sis sit sme smi smm smo smp smr sms smt soe soi som soo sop sor sos sot spe spi spm spo spp spr sps spt sr- sre sri srm sro srp srr srs srt ss- sse ssi ssm sso ssp ssr sss sst ste sti stm sto stp str sts stt te- tee tei tem teo tep ter tes tet tie tii tim tio tip tir tis tit tme tmi tmm tmo tmp tmr tms tmt to- toe toi tom too top tor tos tot tpe tpi tpm tpo tpp tpr tps tpt tre tri trm tro trp trr trs trt tse tsi tsm tso tsp tsr tss tst tte tti ttm tto ttp ttr tts ttt