-ey b-u bbb bbd bbe bbo bbt bbu bby bdb bdd bde bdo bdt bdu bdy be- beb bed bee beo bet beu bey bob bod boe boo bot bou boy btb btd bte bto btt btu bty bub bud bue buo but buu buy by- byd bye byo byt byu dbb dbd dbe dbo dbt dbu dby ddb ddd dde ddo ddt ddu ddy de- deb ded dee deo det deu dey dob dod doe doo dot dou doy dtb dtd dte dto dtt dtu dty dub dud due duo dut duy dy- dyb dyd dye dyo dyu dyy ebb ebd ebe ebo ebt ebu eby ed- edb edd ede edo edt edu edy eeb eed eee eeo eet eey eo- eob eod eoe eoo eot eou etb etd ete eto ett etu ety eu- eub eud eue eut eyd eye eyo eyt ob- obb obd obe obo obt obu oby odb odd ode odo odt odu oeb oed oee oeo oet oey oo- oob ood ooo oot ot- otb otd ote oto ott otu ou- oud oue ouo out oyd oye oyo tbb tbd tbe tbo tbt tbu tdb tdd tde tdo tdt tdu tdy te- teb ted tee teo tet teu tey to- tob tod toe too tot tou toy ttb ttd tte tto ttt ttu tty tub tud tue tuo tut tuu tuy tyd tye tyo tyt ubb ube ubo ubt ubu uby udb udd ude udo udt udu ueb ued uee uet uey uob uod uoe uoo uot utb utd ute uto utt utu uty uue uut uuu uyo uyu ybe yby yde ydo ydt ydy yeb yed yee yeo yet yey yob yod yoe yoo yot you yoy ytd yte yto ytt ytu yud yue yuo yut yuu yuy yyb yye yyt yyu yyy