-er bbb bbd bbe bbg bbi bbr bbs bdb bdd bde bdg bdi bdr bds be- beb bed bee beg bei ber bes bgb bgd bge bgg bgi bgr bgs bi- bib bid bie big bii bir bis brb brd bre brg bri brr brs bsb bsd bse bsg bsi bsr bss dbb dbd dbe dbg dbi dbr dbs ddb ddd dde ddg ddi ddr dds de- deb ded dee deg dei der des dgd dge dgg dgi dgr dgs di- dib did die dig dii dir dis drb drd dre drg dri drr drs dsb dsd dse dsg dsi dsr dss ebb ebd ebe ebg ebi ebr ebs ed- edb edd ede edg edi edr eds eeb eed eee eeg eer ees egb egd ege egg egi egr egs eib eid eie eig eii eir eis erb erd ere erg eri err ers es- esb esd ese esg esi esr ess g-d gbd gbe gbg gbi gbr gbs gdb gdd gde gdi gdr gds ge- geb ged gee geg gei ger ges ggb ggd ggg ggi ggr ggs gib gid gie gig gii gir gis grb grd gre grg gri grr grs gsb gsd gse gsg gsi gsr gss i-d ibb ibd ibe ibg ibi ibr ibs idb idd ide idg idi idr ids ie- ied iee ieg iei ier ies igb igd ige igg igi igr igs iib iid iie iii iir iis ir- irb ird ire irg iri irr irs is- isb isd ise isg isi isr iss rbb rbd rbe rbg rbi rbr rbs rdb rdd rde rdg rdi rdr rds re- reb red ree reg rei rer res rgb rgd rge rgg rgi rgr rgs rib rid rie rig rii rir ris rrb rrd rrg rri rrr rrs rsb rsd rse rsg rsi rsr rss sbb sbd sbe sbg sbi sbr sbs sdb sdd sde sdg sdi sdr sds se- seb sed see seg sei ser ses sgb sgd sge sgg sgi sgr sgs sib sid sie sig sii sir sis sr- srb srd sre srg sri srr srs ss- ssb ssd sse ssg ssi ssr sss