-ey bbb bbd bbe bbn bbo bby bdb bdd bde bdo bdy be- beb bed bee ben beo bey bnb bnd bne bnn bno bob bod boe bon boo boy by- byd bye byn byo dbb dbd dbe dbn dbo dby ddb ddd dde ddn ddo ddy de- deb ded dee den deo dey dnb dnd dne dnn dno dny dob dod doe don doo doy dy- dyb dyd dye dyn dyo dyy ebb ebd ebe ebn ebo eby ed- edb edd ede edn edo edy eeb eed eee een eeo eey en- enb end ene enn eno eny eo- eob eod eoe eon eoo eyd eye eyn eyo nbb nbd nbe nbn nbo ndb ndd nde ndn ndo ndy ne- neb ned nee nen neo ney nnb nne nnn nno no- nob nod noe non noo noy nyd nye nyn nyo nyy ob- obb obd obe obn obo oby odb odd ode odn odo oeb oed oee oen oeo oey on- onb ond one onn ono ony oo- oob ood oon ooo oyd oye oyo ybe yby yde ydn ydo ydy yeb yed yee yen yeo yey ynd yne ynn yny yob yod yoe yon yoo yoy yyb yye yyy