-er bbb bbd bbe bbf bbi bbr bbt bdb bdd bde bdf bdi bdr bdt be- beb bed bee bef bei ber bet bfb bfd bfe bff bfi bfr bft bi- bib bid bie bif bii bir bit brb brd bre brf bri brr brt btb btd bte btf bti btr btt dbb dbd dbe dbf dbi dbr dbt ddb ddd dde ddf ddi ddr ddt de- deb ded dee def dei der det dfb dfd dfe dff dfi dfr dft di- dib did die dif dii dir dit drb drd dre dri drr drt dtb dtd dte dtf dti dtr dtt ebb ebd ebe ebf ebi ebr ebt ed- edb edd ede edf edi edr edt eeb eed eee eef eer eet ef- efb efd efe eff efi efr eft eib eid eie eif eii eir eit erb erd ere erf eri err ert etb etd ete etf eti etr ett fbb fbd fbe fbf fbi fbr fbt fdb fdd fde fdf fdi fdr fdt feb fed fee fef fei fer fet ffd ffe fff ffi ffr fft fib fid fie fif fii fir fit frb frd fre frf fri frr frt ftb ftd fte ftf fti ftr ftt i-d i-f ibb ibd ibe ibf ibi ibr ibt idb idd ide idf idi idr idt ie- ied iee ief iei ier iet ifb ifd ife iff ifi ifr ift iib iid iie iif iii iir iit ir- irb ird ire irf iri irr irt itb itd ite itf iti itt rbb rbd rbe rbf rbi rbr rbt rdb rdd rde rdf rdi rdr rdt re- reb red ree ref rei rer ret rfb rfd rfe rff rfi rfr rft rib rid rie rif rii rir rit rrb rrd rrf rri rrr rrt rtb rtd rte rtf rti rtr rtt tbb tbd tbe tbf tbi tbr tbt tdb tdd tde tdf tdi tdr tdt te- teb ted tee tef tei ter tet tfb tfd tfe tff tfi tfr tft tib tid tie tif tii tir tit trb trd tre trf tri trr trt ttb ttd tte ttf tti ttr ttt