-er -ol eee eef eel eeo eer ees eet ef- efe eff efi efl efo efr efs eft eie eif eii eil eio eir eis eit ele elf eli ell elo elr els elt eo- eoe eof eoi eol eoo eor eos eot ere erf eri erl ero err ers ert es- ese esf esi esl eso esr ess est ete etf eti etl eto etr ets ett fee fef fei fel feo fer fes fet ffe fff ffi ffl ffo ffr ffs fft fie fif fii fil fir fis fit fle flf fli fll flo flr fls flt foe fof foi fol foo for fos fot fre frf fri frl fro frr frs frt fse fsf fsi fsl fso fsr fss fst fte ftf fti ftl fto ftr fts ftt i-f ie- iee ief iei iel ier ies iet ife iff ifi ifl ifo ifr ifs ift iie iif iii iil iio iir iis iit il- ile ilf ili ill ilo ilr ils ilt io- ioe iof ioi iol ioo ior ios iot ir- ire irf iri irl iro irr irs irt is- ise isf isi isl iso isr iss ist ite itf iti itl ito its itt lee lef lei lel leo ler les let lfe lff lfi lfl lfo lfr lfs lft lie lif lii lil lio lir lis lit lle llf lli lll llo llr lls llt loe lof loi lol loo lor los lot lrf lri lro lrr lrs lrt lse lsf lsi lsl lso lsr lss lst lte ltf lti ltl lto ltr lts ltt o-i oee oef oei oel oeo oer oes oet of- ofe off ofi ofl ofo ofr ofs oft oie oif oii oil oio oir ois oit ole olf oli oll olo ols olt oo- oof ooi ool ooo oor oos oot or- ore orf ori orl oro orr ors ort os- ose osf osi osl oso osr oss ost ot- ote otf oti otl oto otr ots ott re- ree ref rei rel reo rer res ret rfe rff rfi rfl rfo rfr rfs rft rie rif rii ril rio rir ris rit rle rlf rli rll rlo rlr rls rlt roe rof roi rol roo ror ros rot rrf rri rrl rrr rrs rrt rse rsf rsi rsl rso rsr rss rst rte rtf rti rtl rto rtr rts rtt se- see sef sei sel seo ser ses set sfe sff sfi sfl sfo sfr sfs sft sie sif sii sil sio sir sis sit sle slf sli sll slo slr sls slt soe sof soi sol soo sor sos sot sr- sre srf sri srl sro srr srs srt ss- sse ssf ssi ssl sso ssr sss sst ste stf sti stl sto str sts stt te- tee tef tei tel teo ter tes tet tfe tff tfi tfl tfo tfr tfs tft tie tif tii til tio tir tis tit tle tlf tli tll tlo tlr tls tlt to- toe tof toi tol too tor tos tot tre trf tri trl tro trr trs trt tse tsf tsi tsl tso tsr tss tst tte ttf tti ttl tto ttr tts ttt