-er eee eel eem eep eer ees eet eie eii eil eim eip eir eis eit ele eli ell elm elp elr els elt em- eme emi eml emm emp emr ems emt ep- epe epi epl epm epp epr eps ept ere eri erl erm erp err ers ert es- ese esi esl esm esp esr ess est ete eti etl etm etp etr ets ett ie- iee iei iel iem iep ier ies iet iie iii iil iim iip iir iis iit il- ile ili ill ilm ilp ilr ils ilt im- ime imi iml imm imp ims imt ipe ipi ipl ipm ipp ipr ips ipt ir- ire iri irl irm irp irr irs irt is- ise isi isl ism isp isr iss ist ite iti itl itm itp its itt l-p lee lei lel lem lep ler les let lie lii lil lim lip lir lis lit lle lli lll llm llp llr lls llt lme lmi lml lmm lmp lmr lms lmt lpe lpi lpl lpm lpp lpr lps lpt lri lrm lrp lrr lrs lrt lse lsi lsl lsm lsp lsr lss lst lte lti ltl ltm ltp ltr lts ltt m-r mee mei mel mem mep mer mes met mi- mie mii mil mim mip mir mis mit mle mli mll mlm mlp mlr mls mlt mme mmi mml mmm mmp mmr mms mmt mpe mpi mpl mpm mpp mpr mps mpt mre mri mrl mrm mrp mrr mrs mrt mse msi msl msm msp msr mss mst mte mti mtl mtm mtp mtr mts mtt p-p pee pei pel pem pep per pes pet pie pii pil pim pip pir pis pit ple pli pll plm plp plr pls plt pme pmi pml pmm pmp pmr pms pmt ppe ppi ppl ppm ppp ppr pps ppt pre pri prl prm prp prr prs prt ps- pse psi psl psm psp psr pss pst pt- pte pti ptl ptm ptp ptr pts ptt re- ree rei rel rem rep rer res ret rie rii ril rim rip rir ris rit rle rli rll rlm rlp rlr rls rlt rme rmi rml rmm rmp rmr rms rmt rpe rpi rpl rpm rpp rpr rps rpt rri rrl rrm rrp rrr rrs rrt rse rsi rsl rsm rsp rsr rss rst rte rti rtl rtm rtp rtr rts rtt se- see sei sel sem sep ser ses set sie sii sil sim sip sir sis sit sle sli sll slm slp slr sls slt sme smi sml smm smp smr sms smt spe spi spl spm spp spr sps spt sr- sre sri srl srm srp srr srs srt ss- sse ssi ssl ssm ssp ssr sss sst ste sti stl stm stp str sts stt te- tee tei tel tem tep ter tes tet tie tii til tim tip tir tis tit tle tli tll tlm tlp tlr tls tlt tme tmi tml tmm tmp tmr tms tmt tpe tpi tpl tpm tpp tpr tps tpt tre tri trl trm trp trr trs trt tse tsi tsl tsm tsp tsr tss tst tte tti ttl ttm ttp ttr tts ttt