bbb bbd bbe bbf bbi bbo bbt bdb bdd bde bdf bdi bdo bdt be- beb bed bee bef bei beo bet bfb bfd bfe bff bfi bfo bft bi- bib bid bie bif bii bio bit bob bod boe bof boi boo bot btb btd bte btf bti bto btt dbb dbd dbe dbf dbi dbo dbt ddb ddd dde ddf ddi ddo ddt de- deb ded dee def dei deo det dfb dfd dfe dff dfi dfo dft di- dib did die dif dii dio dit dob dod doe dof doi doo dot dtb dtd dte dtf dti dto dtt ebb ebd ebe ebf ebi ebo ebt ed- edb edd ede edf edi edo edt eeb eed eee eef eeo eet ef- efb efd efe eff efi efo eft eib eid eie eif eii eio eit eo- eob eod eoe eof eoi eoo eot etb etd ete etf eti eto ett fbb fbd fbe fbf fbi fbo fbt fdb fdd fde fdf fdi fdo fdt feb fed fee fef fei feo fet ffd ffe fff ffi ffo fft fib fid fie fif fii fit fob foe fof foi foo fot ftb ftd fte ftf fti fto ftt i-d i-f ibb ibd ibe ibf ibi ibo ibt idb idd ide idf idi ido idt ie- ied iee ief iei iet ifb ifd ife iff ifi ifo ift iib iid iie iif iii iio iit io- iob iod ioe iof ioi ioo iot itb itd ite itf iti ito itt o-i ob- obb obd obe obf obi obo obt odb odd ode odf odi odo odt oeb oed oee oef oei oeo oet of- ofb ofd ofe off ofi ofo oft oib oid oie oif oii oio oit oo- oob ood oof ooi ooo oot ot- otb otd ote otf oti oto ott tbb tbd tbe tbf tbi tbo tbt tdb tdd tde tdf tdi tdo tdt te- teb ted tee tef tei teo tet tfb tfd tfe tff tfi tfo tft tib tid tie tif tii tio tit to- tob tod toe tof toi too tot ttb ttd tte ttf tti tto ttt