-er bbb bbd bbe bbg bbi bbr bbs bbt bdb bdd bde bdg bdi bdr bds bdt be- beb bed bee beg bei ber bes bet bgb bgd bge bgg bgi bgr bgs bgt bi- bib bid bie big bii bir bis bit brb brd bre brg bri brr brs brt bsb bsd bse bsg bsi bsr bss bst btb btd bte btg bti btr bts btt dbb dbd dbe dbg dbi dbr dbs dbt ddb ddd dde ddg ddi ddr dds ddt de- deb ded dee deg dei der des det dgd dge dgg dgi dgr dgs dgt di- dib did die dig dii dir dis dit drb drd dre drg dri drr drs drt dsb dsd dse dsg dsi dsr dss dst dtb dtd dte dtg dti dtr dts dtt ebb ebd ebe ebg ebi ebr ebs ebt ed- edb edd ede edg edi edr eds edt eeb eed eee eeg eer ees eet egb egd ege egg egi egr egs egt eib eid eie eig eii eir eis eit erb erd ere erg eri err ers ert es- esb esd ese esg esi esr ess est etb etd ete etg eti etr ets ett g-d gbd gbe gbg gbi gbr gbs gbt gdb gdd gde gdi gdr gds gdt ge- geb ged gee geg gei ger ges get ggb ggd ggg ggi ggr ggs ggt gib gid gie gig gii gir gis git grb grd gre grg gri grr grs grt gsb gsd gse gsg gsi gsr gss gst gtb gtd gte gtg gti gtr gts gtt i-d ibb ibd ibe ibg ibi ibr ibs ibt idb idd ide idg idi idr ids idt ie- ied iee ieg iei ier ies iet igb igd ige igg igi igr igs igt iib iid iie iii iir iis iit ir- irb ird ire irg iri irr irs irt is- isb isd ise isg isi isr iss ist itb itd ite itg iti its itt rbb rbd rbe rbg rbi rbr rbs rbt rdb rdd rde rdg rdi rdr rds rdt re- reb red ree reg rei rer res ret rgb rgd rge rgg rgi rgr rgs rgt rib rid rie rig rii rir ris rit rrb rrd rrg rri rrr rrs rrt rsb rsd rse rsg rsi rsr rss rst rtb rtd rte rtg rti rtr rts rtt sbb sbd sbe sbg sbi sbr sbs sbt sdb sdd sde sdg sdi sdr sds sdt se- seb sed see seg sei ser ses set sgb sgd sge sgg sgi sgr sgs sgt sib sid sie sig sii sir sis sit sr- srb srd sre srg sri srr srs srt ss- ssb ssd sse ssg ssi ssr sss sst stb std ste stg sti str sts stt tbb tbd tbe tbg tbi tbr tbs tbt tdb tdd tde tdg tdi tdr tds tdt te- teb ted tee teg tei ter tes tet tgb tge tgg tgi tgr tgs tgt tib tid tie tig tii tir tis tit trb trd tre trg tri trr trs trt tsb tsd tse tsg tsi tsr tss tst ttb ttd tte ttg tti ttr tts ttt