-er -ey bbb bbd bbe bbn bbo bbr bby bdb bdd bde bdo bdr bdy be- beb bed bee ben beo ber bey bnb bnd bne bnn bno bnr bob bod boe bon boo bor boy brb brd bre brn bro brr bry by- byd bye byn byo byr dbb dbd dbe dbn dbo dbr dby ddb ddd dde ddn ddo ddr ddy de- deb ded dee den deo der dey dnb dnd dne dnn dno dnr dny dob dod doe don doo dor doy drb drd dre drn dro drr dry dy- dyb dyd dye dyn dyo dyr dyy ebb ebd ebe ebn ebo ebr eby ed- edb edd ede edn edo edr edy eeb eed eee een eeo eer eey en- enb end ene enn eno enr eny eo- eob eod eoe eon eoo eor erb erd ere ern ero err ery eyd eye eyn eyo eyr nbb nbd nbe nbn nbo nbr ndb ndd nde ndn ndo ndr ndy ne- neb ned nee nen neo ner ney nnb nne nnn nno no- nob nod noe non noo nor noy nrb nrd nre nrn nro nrr nry nyd nye nyn nyo nyy ob- obb obd obe obn obo obr oby odb odd ode odn odo odr oeb oed oee oen oeo oer oey on- onb ond one onn ono onr ony oo- oob ood oon ooo oor or- orb ord ore orn oro orr ory oyd oye oyo rbb rbd rbe rbn rbo rbr rdb rdd rde rdn rdo rdr rdy re- reb red ree ren reo rer rey rnb rnd rnn rno rnr rny rob rod roe ron roo ror roy rrb rrd rrn rrr ry- ryd rye ryn ryo ryr ryy ybe ybr yby yde ydn ydo ydy yeb yed yee yen yeo yer yey ynd yne ynn yny yob yod yoe yon yoo yor yoy yre yrn yro yyb yye yyy