-er -ey bbb bbd bbe bbg bbo bbr bby bdb bdd bde bdg bdo bdr bdy be- beb bed bee beg beo ber bey bgb bgd bge bgg bgo bgr bob bod boe bog boo bor boy brb brd bre brg bro brr bry by- byd bye byg byo byr dbb dbd dbe dbg dbo dbr dby ddb ddd dde ddg ddo ddr ddy de- deb ded dee deg deo der dey dgd dge dgg dgr dob dod doe dog doo dor doy drb drd dre drg dro drr dry dy- dyb dyd dye dyo dyr dyy ebb ebd ebe ebg ebo ebr eby ed- edb edd ede edg edo edr edy eeb eed eee eeg eeo eer eey egb egd ege egg ego egr egy eo- eob eod eoe eog eoo eor erb erd ere erg ero err ery eyd eye eyo eyr g-d gbd gbe gbg gbo gbr gby gdb gdd gde gdo gdr ge- geb ged gee geg geo ger gey ggb ggd ggg ggo ggr gob god goe gog goo gor goy grb grd gre grg gro grr gry gy- gyb gyd gye gyo gyr ob- obb obd obe obg obo obr oby odb odd ode odg odo odr oeb oed oee oeg oeo oer oey ogd oge ogg ogo ogy oo- oob ood oog ooo oor or- orb ord ore org oro orr ory oyd oye oyo rbb rbd rbe rbg rbo rbr rdb rdd rde rdg rdo rdr rdy re- reb red ree reg reo rer rey rgb rgd rge rgg rgo rgr rob rod roe rog roo ror roy rrb rrd rrg rrr ry- ryd rye ryg ryo ryr ryy ybe ybg ybr yby yde ydg ydo ydy yeb yed yee yeg yeo yer yey ygo yob yod yoe yog yoo yor yoy yre yrg yro yyb yye yyg yyy