bbb bbd bbe bbi bbo bbt bdb bdd bde bdi bdo bdt be- beb bed bee bei beo bet bi- bib bid bie bii bio bit bob bod boe boi boo bot btb btd bte bti bto btt dbb dbd dbe dbi dbo dbt ddb ddd dde ddi ddo ddt de- deb ded dee dei deo det di- dib did die dii dio dit dob dod doe doi doo dot dtb dtd dte dti dto dtt ebb ebd ebe ebi ebo ebt ed- edb edd ede edi edo edt eeb eed eee eeo eet eib eid eie eii eio eit eo- eob eod eoe eoi eoo eot etb etd ete eti eto ett i-d ibb ibd ibe ibi ibo ibt idb idd ide idi ido idt ie- ied iee iei iet iib iid iie iii iio iit io- iob iod ioe ioi ioo iot itb itd ite iti ito itt o-i ob- obb obd obe obi obo obt odb odd ode odi odo odt oeb oed oee oei oeo oet oib oid oie oii oio oit oo- oob ood ooi ooo oot ot- otb otd ote oti oto ott tbb tbd tbe tbi tbo tbt tdb tdd tde tdi tdo tdt te- teb ted tee tei teo tet tib tid tie tii tio tit to- tob tod toe toi too tot ttb ttd tte tti tto ttt