-er bbb bbd bbe bbf bbg bbi bbo bbr bbt bdb bdd bde bdf bdg bdi bdo bdr bdt be- beb bed bee bef beg bei beo ber bet bfb bfd bfe bff bfg bfi bfo bfr bft bgb bgd bge bgf bgg bgi bgo bgr bgt bi- bib bid bie bif big bii bio bir bit bob bod boe bof bog boi boo bor bot brb brd bre brf brg bri bro brr brt btb btd bte btf btg bti bto btr btt dbb dbd dbe dbf dbg dbi dbo dbr dbt ddb ddd dde ddf ddg ddi ddo ddr ddt de- deb ded dee def deg dei deo der det dfb dfd dfe dff dfg dfi dfo dfr dft dgd dge dgf dgg dgi dgr dgt di- dib did die dif dig dii dio dir dit dob dod doe dof dog doi doo dor dot drb drd dre drg dri dro drr drt dtb dtd dte dtf dtg dti dto dtr dtt ebb ebd ebe ebf ebg ebi ebo ebr ebt ed- edb edd ede edf edg edi edo edr edt eeb eed eee eef eeg eeo eer eet ef- efb efd efe eff efg efi efo efr eft egb egd ege egf egg egi ego egr egt eib eid eie eif eig eii eio eir eit eo- eob eod eoe eof eog eoi eoo eor eot erb erd ere erf erg eri ero err ert etb etd ete etf etg eti eto etr ett fbb fbd fbe fbf fbg fbi fbo fbr fbt fdb fdd fde fdf fdg fdi fdo fdr fdt feb fed fee fef feg fei feo fer fet ffd ffe fff ffg ffi ffo ffr fft fgb fgd fge fgf fgg fgi fgr fgt fib fid fie fif fig fii fir fit fob foe fof fog foi foo for fot frb frd fre frf frg fri fro frr frt ftb ftd fte ftf ftg fti fto ftr ftt g-d gbd gbe gbf gbg gbi gbo gbr gbt gdb gdd gde gdf gdi gdo gdr gdt ge- geb ged gee gef geg gei geo ger get gfb gfd gfe gff gfi gfo gfr gft ggb ggd ggg ggi ggo ggr ggt gib gid gie gif gig gii gio gir git gob god goe gof gog goi goo gor got grb grd gre grf grg gri gro grr grt gtb gtd gte gtf gtg gti gto gtr gtt i-d i-f ibb ibd ibe ibf ibg ibi ibo ibr ibt idb idd ide idf idg idi ido idr idt ie- ied iee ief ieg iei ier iet ifb ifd ife iff ifg ifi ifo ifr ift igb igd ige igf igg igi igo igr igt iib iid iie iif iii iio iir iit io- iob iod ioe iof iog ioi ioo ior iot ir- irb ird ire irf irg iri iro irr irt itb itd ite itf itg iti ito itt o-i ob- obb obd obe obf obg obi obo obr obt odb odd ode odf odg odi odo odr odt oeb oed oee oef oeg oei oeo oer oet of- ofb ofd ofe off ofg ofi ofo ofr oft ogd oge ogf ogg ogi ogo ogt oib oid oie oif oii oio oir oit oo- oob ood oof oog ooi ooo oor oot or- orb ord ore orf org ori oro orr ort ot- otb otd ote otf otg oti oto otr ott rbb rbd rbe rbf rbg rbi rbo rbr rbt rdb rdd rde rdf rdg rdi rdo rdr rdt re- reb red ree ref reg rei reo rer ret rfb rfd rfe rff rfg rfi rfo rfr rft rgb rgd rge rgf rgg rgi rgo rgr rgt rib rid rie rif rig rii rio rir rit rob rod roe rof rog roi roo ror rot rrb rrd rrf rrg rri rrr rrt rtb rtd rte rtf rtg rti rto rtr rtt tbb tbd tbe tbf tbg tbi tbo tbr tbt tdb tdd tde tdf tdg tdi tdo tdr tdt te- teb ted tee tef teg tei teo ter tet tfb tfd tfe tff tfg tfi tfo tfr tft tgb tge tgf tgg tgi tgo tgr tgt tib tid tie tif tig tii tio tir tit to- tob tod toe tof tog toi too tor tot trb trd tre trf trg tri tro trr trt ttb ttd tte ttf ttg tti tto ttr ttt