-ey bbb bbd bbe bbn bbo bbt bby bdb bdd bde bdo bdt bdy be- beb bed bee ben beo bet bey bnb bnd bne bnn bno bnt bob bod boe bon boo bot boy btb btd bte btn bto btt bty by- byd bye byn byo byt dbb dbd dbe dbn dbo dbt dby ddb ddd dde ddn ddo ddt ddy de- deb ded dee den deo det dey dnb dnd dne dnn dno dnt dny dob dod doe don doo dot doy dtb dtd dte dtn dto dtt dty dy- dyb dyd dye dyn dyo dyy ebb ebd ebe ebn ebo ebt eby ed- edb edd ede edn edo edt edy eeb eed eee een eeo eet eey en- enb end ene enn eno ent eny eo- eob eod eoe eon eoo eot etb etd ete etn eto ett ety eyd eye eyn eyo eyt nbb nbd nbe nbn nbo nbt ndb ndd nde ndn ndo ndt ndy ne- neb ned nee nen neo net ney nnb nne nnn nno nnt no- nob nod noe non noo not noy ntb ntd nte ntn nto ntt nyd nye nyn nyo nyt nyy ob- obb obd obe obn obo obt oby odb odd ode odn odo odt oeb oed oee oen oeo oet oey on- onb ond one onn ono ont ony oo- oob ood oon ooo oot ot- otb otd ote otn oto ott oyd oye oyo tbb tbd tbe tbn tbo tbt tdb tdd tde tdn tdo tdt tdy te- teb ted tee ten teo tet tey tnb tnd tne tnn tno tnt to- tob tod toe ton too tot toy ttb ttd tte ttn tto ttt tty tyd tye tyn tyo tyt ybe yby yde ydn ydo ydt ydy yeb yed yee yen yeo yet yey ynd yne ynn yny yob yod yoe yon yoo yot yoy ytd yte ytn yto ytt yyb yye yyt yyy