-er -ey bbb bbd bbe bbg bbi bbo bbr bby bdb bdd bde bdg bdi bdo bdr bdy be- beb bed bee beg bei beo ber bey bgb bgd bge bgg bgi bgo bgr bi- bib bid bie big bii bio bir biy bob bod boe bog boi boo bor boy brb brd bre brg bri bro brr bry by- byd bye byg byi byo byr dbb dbd dbe dbg dbi dbo dbr dby ddb ddd dde ddg ddi ddo ddr ddy de- deb ded dee deg dei deo der dey dgd dge dgg dgi dgr di- dib did die dig dii dio dir diy dob dod doe dog doi doo dor doy drb drd dre drg dri dro drr dry dy- dyb dyd dye dyo dyr dyy ebb ebd ebe ebg ebi ebo ebr eby ed- edb edd ede edg edi edo edr edy eeb eed eee eeg eeo eer eey egb egd ege egg egi ego egr egy eib eid eie eig eii eio eir eo- eob eod eoe eog eoi eoo eor erb erd ere erg eri ero err ery eyd eye eyo eyr g-d gbd gbe gbg gbi gbo gbr gby gdb gdd gde gdi gdo gdr ge- geb ged gee geg gei geo ger gey ggb ggd ggg ggi ggo ggr gib gid gie gig gii gio gir giy gob god goe gog goi goo gor goy grb grd gre grg gri gro grr gry gy- gyb gyd gye gyo gyr i-d ibb ibd ibe ibg ibi ibo ibr iby idb idd ide idg idi ido idr idy ie- ied iee ieg iei ier iey igb igd ige igg igi igo igr igy iib iid iie iii iio iir io- iob iod ioe iog ioi ioo ior ir- irb ird ire irg iri iro irr iry iye iyo iyr iyy o-i ob- obb obd obe obg obi obo obr oby odb odd ode odg odi odo odr oeb oed oee oeg oei oeo oer oey ogd oge ogg ogi ogo ogy oib oid oie oii oio oir oo- oob ood oog ooi ooo oor or- orb ord ore org ori oro orr ory oyd oye oyi oyo rbb rbd rbe rbg rbi rbo rbr rdb rdd rde rdg rdi rdo rdr rdy re- reb red ree reg rei reo rer rey rgb rgd rge rgg rgi rgo rgr rib rid rie rig rii rio rir riy rob rod roe rog roi roo ror roy rrb rrd rrg rri rrr ry- ryd rye ryg ryo ryr ryy ybe ybg ybi ybr yby yde ydg ydo ydy yeb yed yee yeg yei yeo yer yey ygo yid yie yig yii yio yir yob yod yoe yog yoi yoo yor yoy yre yrg yro yyb yye yyg yyy