-er bbb bbd bbe bbf bbg bbi bbl bbr bbs bbt bdb bdd bde bdf bdg bdi bdl bdr bds bdt be- beb bed bee bef beg bei bel ber bes bet bfb bfd bfe bff bfg bfi bfl bfr bfs bft bgb bgd bge bgf bgg bgi bgl bgr bgs bgt bi- bib bid bie bif big bii bil bir bis bit blb bld ble blf blg bli bll blr bls blt brb brd bre brf brg bri brl brr brs brt bsb bsd bse bsf bsg bsi bsl bsr bss bst btb btd bte btf btg bti btl btr bts btt dbb dbd dbe dbf dbg dbi dbl dbr dbs dbt ddb ddd dde ddf ddg ddi ddl ddr dds ddt de- deb ded dee def deg dei del der des det dfb dfd dfe dff dfg dfi dfl dfr dfs dft dgd dge dgf dgg dgi dgl dgr dgs dgt di- dib did die dif dig dii dil dir dis dit dl- dlb dld dle dlf dlg dli dll dlr dls dlt drb drd dre drg dri drl drr drs drt dsb dsd dse dsf dsg dsi dsl dsr dss dst dtb dtd dte dtf dtg dti dtl dtr dts dtt ebb ebd ebe ebf ebg ebi ebl ebr ebs ebt ed- edb edd ede edf edg edi edl edr eds edt eeb eed eee eef eeg eel eer ees eet ef- efb efd efe eff efg efi efl efr efs eft egb egd ege egf egg egi egl egr egs egt eib eid eie eif eig eii eil eir eis eit elb eld ele elf elg eli ell elr els elt erb erd ere erf erg eri erl err ers ert es- esb esd ese esf esg esi esl esr ess est etb etd ete etf etg eti etl etr ets ett fbb fbd fbe fbf fbg fbi fbl fbr fbs fbt fdb fdd fde fdf fdg fdi fdl fdr fds fdt feb fed fee fef feg fei fel fer fes fet ffd ffe fff ffg ffi ffl ffr ffs fft fgb fgd fge fgf fgg fgi fgl fgr fgs fgt fib fid fie fif fig fii fil fir fis fit flb fld fle flf flg fli fll flr fls flt frb frd fre frf frg fri frl frr frs frt fsb fsd fse fsf fsg fsi fsl fsr fss fst ftb ftd fte ftf ftg fti ftl ftr fts ftt g-d gbd gbe gbf gbg gbi gbl gbr gbs gbt gdb gdd gde gdf gdi gdl gdr gds gdt ge- geb ged gee gef geg gei gel ger ges get gfb gfd gfe gff gfi gfl gfr gfs gft ggb ggd ggg ggi ggr ggs ggt gib gid gie gif gig gii gil gir gis git glb gld gle glf glg gli gll glr gls glt grb grd gre grf grg gri grl grr grs grt gsb gsd gse gsf gsg gsi gsl gsr gss gst gtb gtd gte gtf gtg gti gtl gtr gts gtt i-d i-f ibb ibd ibe ibf ibg ibi ibl ibr ibs ibt idb idd ide idf idg idi idl idr ids idt ie- ied iee ief ieg iei iel ier ies iet ifb ifd ife iff ifg ifi ifl ifr ifs ift igb igd ige igf igg igi igl igr igs igt iib iid iie iif iii iil iir iis iit il- ilb ild ile ilf ilg ili ill ilr ils ilt ir- irb ird ire irf irg iri irl irr irs irt is- isb isd ise isf isg isi isl isr iss ist itb itd ite itf itg iti itl its itt lbb lbd lbe lbf lbg lbi lbl lbr lbs lbt ldb ldd lde ldf ldg ldi ldl ldr lds ldt leb led lee lef leg lei lel ler les let lfb lfd lfe lff lfg lfi lfl lfr lfs lft lgb lgd lge lgf lgg lgi lgl lgr lgs lgt lib lid lie lif lig lii lil lir lis lit llb lld lle llf llg lli lll llr lls llt lrb lrd lrf lrg lri lrr lrs lrt lsb lsd lse lsf lsg lsi lsl lsr lss lst ltb ltd lte ltf ltg lti ltl ltr lts ltt rbb rbd rbe rbf rbg rbi rbl rbr rbs rbt rdb rdd rde rdf rdg rdi rdl rdr rds rdt re- reb red ree ref reg rei rel rer res ret rfb rfd rfe rff rfg rfi rfl rfr rfs rft rgb rgd rge rgf rgg rgi rgr rgs rgt rib rid rie rif rig rii ril rir ris rit rld rle rlf rlg rli rll rlr rls rlt rrb rrd rrf rrg rri rrl rrr rrs rrt rsb rsd rse rsf rsg rsi rsl rsr rss rst rtb rtd rte rtf rtg rti rtl rtr rts rtt sbb sbd sbe sbf sbg sbi sbl sbr sbs sbt sdb sdd sde sdf sdg sdi sdl sdr sds sdt se- seb sed see sef seg sei sel ser ses set sfb sfd sfe sff sfg sfi sfl sfr sfs sft sgb sgd sge sgf sgg sgi sgl sgr sgs sgt sib sid sie sif sig sii sil sir sis sit slb sld sle slf slg sli sll slr sls slt sr- srb srd sre srf srg sri srl srr srs srt ss- ssb ssd sse ssf ssg ssi ssl ssr sss sst stb std ste stf stg sti stl str sts stt tbb tbd tbe tbf tbg tbi tbl tbr tbs tbt tdb tdd tde tdf tdg tdi tdl tdr tds tdt te- teb ted tee tef teg tei tel ter tes tet tfb tfd tfe tff tfg tfi tfl tfr tfs tft tgb tge tgf tgg tgi tgl tgr tgs tgt tib tid tie tif tig tii til tir tis tit tld tle tlf tlg tli tll tlr tls tlt trb trd tre trf trg tri trl trr trs trt tsb tsd tse tsf tsg tsi tsl tsr tss tst ttb ttd tte ttf ttg tti ttl ttr