bbb bbd bbe bbf bbg bbi bbo bbt bdb bdd bde bdf bdg bdi bdo bdt be- beb bed bee bef beg bei beo bet bfb bfd bfe bff bfg bfi bfo bft bgb bgd bge bgf bgg bgi bgo bgt bi- bib bid bie bif big bii bio bit bob bod boe bof bog boi boo bot btb btd bte btf btg bti bto btt dbb dbd dbe dbf dbg dbi dbo dbt ddb ddd dde ddf ddg ddi ddo ddt de- deb ded dee def deg dei deo det dfb dfd dfe dff dfg dfi dfo dft dgd dge dgf dgg dgi dgt di- dib did die dif dig dii dio dit dob dod doe dof dog doi doo dot dtb dtd dte dtf dtg dti dto dtt ebb ebd ebe ebf ebg ebi ebo ebt ed- edb edd ede edf edg edi edo edt eeb eed eee eef eeg eeo eet ef- efb efd efe eff efg efi efo eft egb egd ege egf egg egi ego egt eib eid eie eif eig eii eio eit eo- eob eod eoe eof eog eoi eoo eot etb etd ete etf etg eti eto ett fbb fbd fbe fbf fbg fbi fbo fbt fdb fdd fde fdf fdg fdi fdo fdt feb fed fee fef feg fei feo fet ffd ffe fff ffg ffi ffo fft fgb fgd fge fgf fgg fgi fgt fib fid fie fif fig fii fit fob foe fof fog foi foo fot ftb ftd fte ftf ftg fti fto ftt g-d gbd gbe gbf gbg gbi gbo gbt gdb gdd gde gdf gdi gdo gdt ge- geb ged gee gef geg gei geo get gfb gfd gfe gff gfi gfo gft ggb ggd ggg ggi ggo ggt gib gid gie gif gig gii gio git gob god goe gof gog goi goo got gtb gtd gte gtf gtg gti gto gtt i-d i-f ibb ibd ibe ibf ibg ibi ibo ibt idb idd ide idf idg idi ido idt ie- ied iee ief ieg iei iet ifb ifd ife iff ifg ifi ifo ift igb igd ige igf igg igi igo igt iib iid iie iif iii iio iit io- iob iod ioe iof iog ioi ioo iot itb itd ite itf itg iti ito itt o-i ob- obb obd obe obf obg obi obo obt odb odd ode odf odg odi odo odt oeb oed oee oef oeg oei oeo oet of- ofb ofd ofe off ofg ofi ofo oft ogd oge ogf ogg ogi ogo ogt oib oid oie oif oii oio oit oo- oob ood oof oog ooi ooo oot ot- otb otd ote otf otg oti oto ott tbb tbd tbe tbf tbg tbi tbo tbt tdb tdd tde tdf tdg tdi tdo tdt te- teb ted tee tef teg tei teo tet tfb tfd tfe tff tfg tfi tfo tft tgb tge tgf tgg tgi tgo tgt tib tid tie tif tig tii tio tit to- tob tod toe tof tog toi too tot ttb ttd tte ttf ttg tti tto ttt