-er -ey bbb bbd bbe bbg bbo bbr bby bdb bdd bde bdg bdo bdr bdv bdy be- beb bed bee beg beo ber bev bey bgb bgd bge bgg bgo bgr bgv bob bod boe bog boo bor bov boy brb brd bre brg bro brr brv bry bvb bvd bve bvg bvo bvr bvv by- byd bye byg byo byr dbb dbd dbe dbg dbo dbr dbv dby ddb ddd dde ddg ddo ddr ddy de- deb ded dee deg deo der dev dey dgd dge dgg dgr dob dod doe dog doo dor dov doy drb drd dre drg dro drr drv dry dvb dvd dve dvg dvr dy- dyb dyd dye dyo dyr dyy ebb ebd ebe ebg ebo ebr ebv eby ed- edb edd ede edg edo edr edy eeb eed eee eeg eeo eer eev eey egb egd ege egg ego egr egy eo- eob eod eoe eog eoo eor erb erd ere erg ero err erv ery evb evd eve evg evo evr evv evy eyd eye eyo eyr g-d gbd gbe gbg gbo gbr gbv gby gdb gdd gde gdo gdr gdv ge- geb ged gee geg geo ger gev gey ggb ggd ggg ggo ggr ggv gob god goe gog goo gor gov goy grb grd gre grg gro grr grv gry gvb gvd gve gvg gvo gvr gy- gyb gyd gye gyo gyr ob- obb obd obe obg obo obr obv oby odb odd ode odg odo odr odv oeb oed oee oeg oeo oer oey ogd oge ogg ogo ogy oo- oob ood oog ooo oor oov or- orb ord ore org oro orr orv ory ov- ovb ovd ove ovo ovv oyd oye oyo rbb rbd rbe rbg rbo rbr rdb rdd rde rdg rdo rdr rdv rdy re- reb red ree reg reo rer rev rey rgb rgd rge rgg rgo rgr rgv rob rod roe rog roo ror rov roy rrb rrd rrg rrr rvb rvd rve rvg rvo rvr rvv rvy ry- ryd rye ryg ryo ryr ryy v-e vbd vbg vbo vbr vbv vdb vdd vde vdg vdo vdr vdv veb ved vee veg veo ver vey vgg vgo vgr vob vod voe vog voo vor vov voy vrb vrd vre vrg vrr vry vvb vvg vvo vvr vvv vyd vye vyg ybe ybg ybr yby yde ydg ydo ydy yeb yed yee yeg yeo yer yev yey ygo yob yod yoe yog yoo yor yoy yre yrg yro yve yvo yvr yvy yyb yye yyg yyy