-er bbb bbd bbe bbf bbi bbo bbr bbt bdb bdd bde bdf bdi bdo bdr bdt be- beb bed bee bef bei beo ber bet bfb bfd bfe bff bfi bfo bfr bft bi- bib bid bie bif bii bio bir bit bob bod boe bof boi boo bor bot brb brd bre brf bri bro brr brt btb btd bte btf bti bto btr btt dbb dbd dbe dbf dbi dbo dbr dbt ddb ddd dde ddf ddi ddo ddr ddt de- deb ded dee def dei deo der det dfb dfd dfe dff dfi dfo dfr dft di- dib did die dif dii dio dir dit dob dod doe dof doi doo dor dot drb drd dre dri dro drr drt dtb dtd dte dtf dti dto dtr dtt ebb ebd ebe ebf ebi ebo ebr ebt ed- edb edd ede edf edi edo edr edt eeb eed eee eef eeo eer eet ef- efb efd efe eff efi efo efr eft eib eid eie eif eii eio eir eit eo- eob eod eoe eof eoi eoo eor eot erb erd ere erf eri ero err ert etb etd ete etf eti eto etr ett fbb fbd fbe fbf fbi fbo fbr fbt fdb fdd fde fdf fdi fdo fdr fdt feb fed fee fef fei feo fer fet ffd ffe fff ffi ffo ffr fft fib fid fie fif fii fir fit fob foe fof foi foo for fot frb frd fre frf fri fro frr frt ftb ftd fte ftf fti fto ftr ftt i-d i-f ibb ibd ibe ibf ibi ibo ibr ibt idb idd ide idf idi ido idr idt ie- ied iee ief iei ier iet ifb ifd ife iff ifi ifo ifr ift iib iid iie iif iii iio iir iit io- iob iod ioe iof ioi ioo ior iot ir- irb ird ire irf iri iro irr irt itb itd ite itf iti ito itt o-i ob- obb obd obe obf obi obo obr obt odb odd ode odf odi odo odr odt oeb oed oee oef oei oeo oer oet of- ofb ofd ofe off ofi ofo ofr oft oib oid oie oif oii oio oir oit oo- oob ood oof ooi ooo oor oot or- orb ord ore orf ori oro orr ort ot- otb otd ote otf oti oto otr ott rbb rbd rbe rbf rbi rbo rbr rbt rdb rdd rde rdf rdi rdo rdr rdt re- reb red ree ref rei reo rer ret rfb rfd rfe rff rfi rfo rfr rft rib rid rie rif rii rio rir rit rob rod roe rof roi roo ror rot rrb rrd rrf rri rrr rrt rtb rtd rte rtf rti rto rtr rtt tbb tbd tbe tbf tbi tbo tbr tbt tdb tdd tde tdf tdi tdo tdr tdt te- teb ted tee tef tei teo ter tet tfb tfd tfe tff tfi tfo tfr tft tib tid tie tif tii tio tir tit to- tob tod toe tof toi too tor tot trb trd tre trf tri tro trr trt ttb ttd tte ttf tti tto ttr ttt