-er -ol eee eel eeo eep eer ees eet ele ell elo elp elr els elt eo- eoe eol eoo eop eor eos eot ep- epe epl epo epp epr eps ept ere erl ero erp err ers ert es- ese esl eso esp esr ess est ete etl eto etp etr ets ett l-p lee lel leo lep ler les let lle lll llo llp llr lls llt loe lol loo lop lor los lot lpe lpl lpo lpp lpr lps lpt lro lrp lrr lrs lrt lse lsl lso lsp lsr lss lst lte ltl lto ltp ltr lts ltt oee oel oeo oep oer oes oet ole oll olo olp ols olt oo- ool ooo oop oor oos oot op- ope opl opo opp opr ops opt or- ore orl oro orp orr ors ort os- ose osl oso osp osr oss ost ot- ote otl oto otp otr ots ott p-p pee pel peo pep per pes pet ple pll plo plp plr pls plt poe pol poo pop por pos pot ppe ppl ppo ppp ppr pps ppt pre prl pro prp prr prs prt ps- pse psl pso psp psr pss pst pt- pte ptl pto ptp ptr pts ptt re- ree rel reo rep rer res ret rle rll rlo rlp rlr rls rlt roe rol roo rop ror ros rot rpe rpl rpo rpp rpr rps rpt rrl rrp rrr rrs rrt rse rsl rso rsp rsr rss rst rte rtl rto rtp rtr rts rtt se- see sel seo sep ser ses set sle sll slo slp slr sls slt soe sol soo sop sor sos sot spe spl spo spp spr sps spt sr- sre srl sro srp srr srs srt ss- sse ssl sso ssp ssr sss sst ste stl sto stp str sts stt te- tee tel teo tep ter tes tet tle tll tlo tlp tlr tls tlt to- toe tol too top tor tos tot tpe tpl tpo tpp tpr tps tpt tre trl tro trp trr trs trt tse tsl tso tsp tsr tss tst tte ttl tto ttp ttr tts ttt