-er -ol eee eef eeg eel eeo eer ees eet ef- efe eff efg efl efo efr efs eft ege egf egg egl ego egr egs egt ele elf elg ell elo elr els elt eo- eoe eof eog eol eoo eor eos eot ere erf erg erl ero err ers ert es- ese esf esg esl eso esr ess est ete etf etg etl eto etr ets ett fee fef feg fel feo fer fes fet ffe fff ffg ffl ffo ffr ffs fft fge fgf fgg fgl fgr fgs fgt fle flf flg fll flo flr fls flt foe fof fog fol foo for fos fot fre frf frg frl fro frr frs frt fse fsf fsg fsl fso fsr fss fst fte ftf ftg ftl fto ftr fts ftt ge- gee gef geg gel geo ger ges get gfe gff gfl gfo gfr gfs gft ggg ggo ggr ggs ggt gle glf glg gll glo glr gls glt goe gof gog gol goo gor gos got gre grf grg grl gro grr grs grt gse gsf gsg gsl gso gsr gss gst gte gtf gtg gtl gto gtr gts gtt lee lef leg lel leo ler les let lfe lff lfg lfl lfo lfr lfs lft lge lgf lgg lgl lgo lgr lgs lgt lle llf llg lll llo llr lls llt loe lof log lol loo lor los lot lrf lrg lro lrr lrs lrt lse lsf lsg lsl lso lsr lss lst lte ltf ltg ltl lto ltr lts ltt oee oef oeg oel oeo oer oes oet of- ofe off ofg ofl ofo ofr ofs oft oge ogf ogg ogl ogo ogs ogt ole olf olg oll olo ols olt oo- oof oog ool ooo oor oos oot or- ore orf org orl oro orr ors ort os- ose osf osg osl oso osr oss ost ot- ote otf otg otl oto otr ots ott re- ree ref reg rel reo rer res ret rfe rff rfg rfl rfo rfr rfs rft rge rgf rgg rgo rgr rgs rgt rle rlf rlg rll rlo rlr rls rlt roe rof rog rol roo ror ros rot rrf rrg rrl rrr rrs rrt rse rsf rsg rsl rso rsr rss rst rte rtf rtg rtl rto rtr rts rtt se- see sef seg sel seo ser ses set sfe sff sfg sfl sfo sfr sfs sft sge sgf sgg sgl sgo sgr sgs sgt sle slf slg sll slo slr sls slt soe sof sog sol soo sor sos sot sr- sre srf srg srl sro srr srs srt ss- sse ssf ssg ssl sso ssr sss sst ste stf stg stl sto str sts stt te- tee tef teg tel teo ter tes tet tfe tff tfg tfl tfo tfr tfs tft tge tgf tgg tgl tgo tgr tgs tgt tle tlf tlg tll tlo tlr tls tlt to- toe tof tog tol too tor tos tot tre trf trg trl tro trr trs trt tse tsf tsg tsl tso tsr tss tst tte ttf ttg ttl tto ttr tts ttt