-er bbb bbd bbe bbf bbi bbl bbr bbs bbt bdb bdd bde bdf bdi bdl bdr bds bdt be- beb bed bee bef bei bel ber bes bet bfb bfd bfe bff bfi bfl bfr bfs bft bi- bib bid bie bif bii bil bir bis bit blb bld ble blf bli bll blr bls blt brb brd bre brf bri brl brr brs brt bsb bsd bse bsf bsi bsl bsr bss bst btb btd bte btf bti btl btr bts btt dbb dbd dbe dbf dbi dbl dbr dbs dbt ddb ddd dde ddf ddi ddl ddr dds ddt de- deb ded dee def dei del der des det dfb dfd dfe dff dfi dfl dfr dfs dft di- dib did die dif dii dil dir dis dit dl- dlb dld dle dlf dli dll dlr dls dlt drb drd dre dri drl drr drs drt dsb dsd dse dsf dsi dsl dsr dss dst dtb dtd dte dtf dti dtl dtr dts dtt ebb ebd ebe ebf ebi ebl ebr ebs ebt ed- edb edd ede edf edi edl edr eds edt eeb eed eee eef eel eer ees eet ef- efb efd efe eff efi efl efr efs eft eib eid eie eif eii eil eir eis eit elb eld ele elf eli ell elr els elt erb erd ere erf eri erl err ers ert es- esb esd ese esf esi esl esr ess est etb etd ete etf eti etl etr ets ett fbb fbd fbe fbf fbi fbl fbr fbs fbt fdb fdd fde fdf fdi fdl fdr fds fdt feb fed fee fef fei fel fer fes fet ffd ffe fff ffi ffl ffr ffs fft fib fid fie fif fii fil fir fis fit flb fld fle flf fli fll flr fls flt frb frd fre frf fri frl frr frs frt fsb fsd fse fsf fsi fsl fsr fss fst ftb ftd fte ftf fti ftl ftr fts ftt i-d i-f ibb ibd ibe ibf ibi ibl ibr ibs ibt idb idd ide idf idi idl idr ids idt ie- ied iee ief iei iel ier ies iet ifb ifd ife iff ifi ifl ifr ifs ift iib iid iie iif iii iil iir iis iit il- ilb ild ile ilf ili ill ilr ils ilt ir- irb ird ire irf iri irl irr irs irt is- isb isd ise isf isi isl isr iss ist itb itd ite itf iti itl its itt lbb lbd lbe lbf lbi lbl lbr lbs lbt ldb ldd lde ldf ldi ldl ldr lds ldt leb led lee lef lei lel ler les let lfb lfd lfe lff lfi lfl lfr lfs lft lib lid lie lif lii lil lir lis lit llb lld lle llf lli lll llr lls llt lrb lrd lrf lri lrr lrs lrt lsb lsd lse lsf lsi lsl lsr lss lst ltb ltd lte ltf lti ltl ltr lts ltt rbb rbd rbe rbf rbi rbl rbr rbs rbt rdb rdd rde rdf rdi rdl rdr rds rdt re- reb red ree ref rei rel rer res ret rfb rfd rfe rff rfi rfl rfr rfs rft rib rid rie rif rii ril rir ris rit rld rle rlf rli rll rlr rls rlt rrb rrd rrf rri rrl rrr rrs rrt rsb rsd rse rsf rsi rsl rsr rss rst rtb rtd rte rtf rti rtl rtr rts rtt sbb sbd sbe sbf sbi sbl sbr sbs sbt sdb sdd sde sdf sdi sdl sdr sds sdt se- seb sed see sef sei sel ser ses set sfb sfd sfe sff sfi sfl sfr sfs sft sib sid sie sif sii sil sir sis sit slb sld sle slf sli sll slr sls slt sr- srb srd sre srf sri srl srr srs srt ss- ssb ssd sse ssf ssi ssl ssr sss sst stb std ste stf sti stl str sts stt tbb tbd tbe tbf tbi tbl tbr tbs tbt tdb tdd tde tdf tdi tdl tdr tds tdt te- teb ted tee tef tei tel ter tes tet tfb tfd tfe tff tfi tfl tfr tfs tft tib tid tie tif tii til tir tis tit tld tle tlf tli tll tlr tls tlt trb trd tre trf tri trl trr trs trt tsb tsd tse tsf tsi tsl tsr tss tst ttb ttd tte ttf tti ttl ttr tts ttt