-er -th eee eef eel eer ees eet ef- efe eff efh efl efr efs eft ehe ehf ehh ehl ehr ehs eht ele elf elh ell elr els elt ere erf erh erl err ers ert es- ese esf esh esl esr ess est ete etf eth etl etr ets ett fee fef feh fel fer fes fet ffe fff ffh ffl ffr ffs fft fhe fhf fhh fhl fhr fhs fle flf fll flr fls flt fre frf frh frl frr frs frt fse fsf fsh fsl fsr fss fst fte ftf fth ftl ftr fts ftt he- hee hef heh hel her hes het hfe hff hfh hfl hfr hfs hft hhe hhf hhh hhl hhr hhs hht hle hlf hlh hll hlr hls hlt hr- hre hrf hrh hrl hrr hrs hrt hse hsf hsh hsl hsr hss hst hte htf hth htl htr hts htt lee lef leh lel ler les let lfe lff lfh lfl lfr lfs lft lhf lhh lhr lhs lht lle llf lll llr lls llt lrf lrh lrr lrs lrt lse lsf lsh lsl lsr lss lst lte ltf lth ltl ltr lts ltt re- ree ref reh rel rer res ret rfe rff rfh rfl rfr rfs rft rh- rhe rhf rhh rhl rhr rhs rht rle rlf rlh rll rlr rls rlt rrf rrh rrl rrr rrs rrt rse rsf rsh rsl rsr rss rst rte rtf rtl rtr rts rtt se- see sef seh sel ser ses set sfe sff sfh sfl sfr sfs sft sh- she shf shh shl shr shs sht sle slf slh sll slr sls slt sr- sre srf srh srl srr srs srt ss- sse ssf ssh ssl ssr sss sst ste stf sth stl str sts stt te- tee tef teh tel ter tes tet tfe tff tfh tfl tfr tfs tft th- the thf thh thl thr ths tht tle tlf tlh tll tlr tls tlt tre trf trh trl trr trs trt tse tsf tsh tsl tsr tss tst tte ttf tth ttl ttr tts ttt